Firewolf

--
--  Firewolf Website Browser
--  Made by GravityScore and 1lann
--  License found here: https://raw.github.com/1lann/Firewolf/master/LICENSE
--
--  Original Concept From RednetExplorer 2.4.1
--  RednetExplorer Made by ComputerCraftFan11
--


--  -------- Variables

-- Version
local version = "2.5"
local build = 36
local browserAgent = "Firewolf " .. version
local tArgs = {...}

-- Server Identification
local serverID = "other"
local serverList = {experimental = "Experimental", other = "Other"}

-- Updating
local autoupdate = "true"
local noInternet = false

-- Resources
local graphics = {}
local files = {}
local w, h = term.getSize()

-- Debugging
local debugFile = nil

-- Environment
local oldEnv = {}
local env = {}
local api = {}
local override = {}
local antivirus = {}

-- Themes
local theme = {}

-- Databases
local blacklist = {}
local whitelist = {}
local dnsDatabase = {{}, {}}

-- Website Loading
local pages = {}
local errorPages = {}

local website = ""
local homepage = ""
local timeout = 0.2
local loadingRate, loadingClock = 0, nil
local openAddressBar, clickableAddressBar = true, true
local menuBarOpen = false
local offsetclick = true
local websiteerror = nil

-- Tabs
local tabs = {}
local filters = {}
local currentTab = 1

-- Protocols
local curProtocol = {}
local protocols = {}

-- History
local addressBarHistory = {}

-- Events
local event_load = "firewolf_websiteLoadEvent"
local event_redirect = "firewolf_redirectEvent"
local event_error = "firewolf_siteErrorEvent"
local event_exit = "firewolf_exitEvent"

-- Download URLs
local firewolfURL = "https://raw.github.com/1lann/Firewolf/master/entities/other.lua"
local serverURL = "https://raw.github.com/1lann/Firewolf/master/server/server-release.lua"
local buildURL = "https://raw.github.com/1lann/Firewolf/master/build"

-- Data Locations
local rootFolder = "/.Firewolf_Data"
local cacheFolder = rootFolder .. "/cache"
local serverFolder = rootFolder .. "/servers"
local websiteDataFolder = rootFolder .. "/website_data"
local themeLocation = rootFolder .. "/theme"
local serverLocation = rootFolder .. "/server_software"
local settingsLocation = rootFolder .. "/settings"
local debugLogLocation = "/firewolf-log"
local firewolfLocation = "/" .. shell.getRunningProgram()

local userBlacklist = rootFolder .. "/user_blacklist"
local userWhitelist = rootFolder .. "/user_whitelist"

local function isAdvanced() return term.isColor and term.isColor() end

local function modemPresent()
    if curProtocol == protocols.rdnt then
        for _, v in pairs(rs.getSides()) do
            if peripheral.getType(v) == "modem" then rednet.open(v) return true end
        end
    else return true end
    return false
end


--  -------- Utilities

local function debugLog(n, ...)
    local lArgs = {...}
    if debugFile then
        if not n then return end
        debugFile:write("\n" .. tostring(n) .. " : ")
        for k, v in pairs(lArgs) do
            if type(v) == "string" or type(v) == "number" or not type(v) or type(v) == "boolean" then
                debugFile:write(tostring(v) .. ", ")
            else debugFile:write("type-" .. type(v) .. ", ") end
        end
    end
end

local function clear(site, background, drawmenu)
    local titles = {
        ["firewolf"] = "Firewolf",
        ["server/rdnt"] = "Server Management",
        ["server/http"] = "Server Management",
        ["help"] = "Help",
        ["settings"] = "Settings",
        ["credits"] = "Credits",
        ["crash"] = "Crashed!",
        ["overspeed"] = "Too Fast!"
    }

    local title = titles[site] or ""
    term.setBackgroundColor(background or colors.black)
    term.setTextColor(colors[theme["address-bar-text"]])
    if drawmenu ~= true then term.clear() end

    if not menuBarOpen then
        term.setBackgroundColor(colors[theme["address-bar-background"]])
        term.setCursorPos(2, 1)
        term.clearLine()
        if site:len() > w - 10 then site = site:sub(1, 38) .. "..." end
        if curProtocol == protocols.http then write("http://" .. site)
        else write("rdnt://" .. site) end
        term.setCursorPos(w - title:len() - 1, 1)
        write(title)

        if isAdvanced() then
            term.setCursorPos(w, 1)
            term.setBackgroundColor(colors[theme["top-box"]])
            term.setTextColor(colors[theme["text-color"]])
            write("<")
        end

        term.setBackgroundColor(background or colors.black)
        term.setTextColor(colors.white)
    else
        term.setCursorPos(1, 1)
        term.setBackgroundColor(colors[theme["top-box"]])
        term.setTextColor(colors[theme["text-color"]])
        term.clearLine()
        write("> [- Exit Firewolf -]                              ")
    end

    print("")
end

local function modRead(properties)
    local w, h = term.getSize()
    local defaults = {replaceChar = nil, history = nil, visibleLength = nil, textLength = nil,
        liveUpdates = nil, exitOnKey = nil}
    if not properties then properties = {} end
    for k, v in pairs(defaults) do if not properties[k] then properties[k] = v end end
    if properties.replaceChar then properties.replaceChar = properties.replaceChar:sub(1, 1) end
    if not properties.visibleLength then properties.visibleLength = w end

    local sx, sy = term.getCursorPos()
    local line = ""
    local pos = 0
    local historyPos = nil

    local function redraw(repl)
        local scroll = 0
        if properties.visibleLength and sx + pos > properties.visibleLength + 1 then
            scroll = (sx + pos) - (properties.visibleLength + 1)
        end

        term.setCursorPos(sx, sy)
        local a = repl or properties.replaceChar
        if a then term.write(string.rep(a, line:len() - scroll))
        else term.write(line:sub(scroll + 1, -1)) end
        term.setCursorPos(sx + pos - scroll, sy)
    end

    local function sendLiveUpdates(event, ...)
        if type(properties.liveUpdates) == "function" then
            local ox, oy = term.getCursorPos()
            local a, data = properties.liveUpdates(line, event, ...)
            if a == true and not data then
                term.setCursorBlink(false)
                return line
            elseif a == true and data then
                term.setCursorBlink(false)
                return data
            end
            term.setCursorPos(ox, oy)
        end
    end

    local a = sendLiveUpdates("delete")
    if a then return a end
    term.setCursorBlink(true)
    while true do
        local e, but, x, y, p4, p5 = os.pullEvent()
        if e == "char" then
            local s = false
            if properties.textLength and line:len() < properties.textLength then s = true
            elseif not properties.textLength then s = true end

            local canType = true
            if not properties.grantPrint and properties.refusePrint then
                local canTypeKeys = {}
                if type(properties.refusePrint) == "table" then
                    for _, v in pairs(properties.refusePrint) do
                        table.insert(canTypeKeys, tostring(v):sub(1, 1))
                    end
                elseif type(properties.refusePrint) == "string" then
                    for char in properties.refusePrint:gmatch(".") do
                        table.insert(canTypeKeys, char)
                    end
                end
                for _, v in pairs(canTypeKeys) do if but == v then canType = false end end
            elseif properties.grantPrint then
                canType = false
                local canTypeKeys = {}
                if type(properties.grantPrint) == "table" then
                    for _, v in pairs(properties.grantPrint) do
                        table.insert(canTypeKeys, tostring(v):sub(1, 1))
                    end
                elseif type(properties.grantPrint) == "string" then
                    for char in properties.grantPrint:gmatch(".") do table.insert(canTypeKeys, char) end
                end
                for _, v in pairs(canTypeKeys) do if but == v then canType = true end end
            end

            if s and canType then
                line = line:sub(1, pos) .. but .. line:sub(pos + 1, -1)
                pos = pos + 1
                redraw()
            end
        elseif e == "key" then
            if but == keys.enter then break
            elseif but == keys.left then if pos > 0 then pos = pos - 1 redraw() end
            elseif but == keys.right then if pos < line:len() then pos = pos + 1 redraw() end
            elseif (but == keys.up or but == keys.down) and properties.history and
                    #properties.history > 0 then
                redraw(" ")
                if but == keys.up then
                    if not historyPos and #properties.history > 0 then
                        historyPos = #properties.history
                    elseif historyPos > 1 then historyPos = historyPos - 1 end
                elseif but == keys.down then
                    if historyPos == #properties.history then historyPos = nil
                    elseif historyPos then historyPos = historyPos + 1 end
                end

                if properties.history and historyPos then
                    line = properties.history[historyPos]
                    pos = line:len()
                else
                    line = ""
                    pos = 0
                end

                redraw()
                local a = sendLiveUpdates("history")
                if a then return a end
            elseif but == keys.backspace and pos > 0 then
                redraw(" ")
                line = line:sub(1, pos - 1) .. line:sub(pos + 1, -1)
                pos = pos - 1
                redraw()
                local a = sendLiveUpdates("delete")
                if a then return a end
            elseif but == keys.home then
                pos = 0
                redraw()
            elseif but == keys.delete and pos < line:len() then
                redraw(" ")
                line = line:sub(1, pos) .. line:sub(pos + 2, -1)
                redraw()
                local a = sendLiveUpdates("delete")
                if a then return a end
            elseif but == keys["end"] then
                pos = line:len()
                redraw()
            elseif properties.exitOnKey then
                if but == properties.exitOnKey or (properties.exitOnKey == "control" and
                        (but == 29 or but == 157)) then
                    term.setCursorBlink(false)
                    return nil
                end
            end
        end

        local a = sendLiveUpdates(e, but, x, y, p4, p5)
        if a then return a end
    end

    term.setCursorBlink(false)
    if line then line = line:gsub("^%s*(.-)%s*$", "%1") end
    return line
end


--  -------- API

--  Drawing

local function printWithType(t, func)
    if type(t) == "table" then
        for _, v in pairs(t) do env.pcall(function() printWithType(v, func) end) end
    else func(tostring(t)) end
end

api.centerWrite = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(math.ceil((w + 1)/2 - t:len()/2), y)
        write(t)
    end)
end

api.centerPrint = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(math.ceil((w + 2)/2 - t:len()/2), y)
        print(t)
    end)
end

api.leftWrite = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(1, y)
        write(t)
    end)
end

api.leftPrint = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(1, y)
        print(t)
    end)
end

api.rightWrite = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(w - t:len() + 1, y)
        write(t)
    end)
end

api.rightPrint = function(text)
    printWithType(text, function(t)
        local x, y = term.getCursorPos()
        term.setCursorPos(w - t:len() + 1, y)
        print(t)
    end)
end

api.clearArea = function() term.clear() term.setCursorPos(1, 1) end
api.cPrint = function(text) api.centerPrint(text) end
api.cWrite = function(text) api.centerWrite(text) end
api.lPrint = function(text) api.leftPrint(text) end
api.lWrite = function(text) api.leftWrite(text) end
api.rPrint = function(text) api.rightPrint(text) end
api.rWrite = function(text) api.rightWrite(text) end


--  Server Interation

api.loadFileFromServer = function(path)
    if type(path) ~= "string" then error("expected string", 2) end
    sleep(0.05)
    if path:sub(1, 1) == "/" then path = path:sub(2, -1) end
    local id, content = curProtocol.getWebsite(website .. "/" .. path)
    if id then return content end
    return nil
end

api.ioReadFileFromServer = function(path)
    local content = api.loadFileFromServer(path)
    if content then
        local f = env.io.open(rootFolder .. "/temp_file", "w")
        f:write(content)
        f:close()
        return env.io.open(rootFolder .. "/temp_file", "r")
    end
    return nil
end

api.loadImageFromServer = function(path)
    local content = api.loadFileFromServer(path)
    if content then
        local f = env.io.open(rootFolder .. "/temp_file", "w")
        f:write(content)
        f:close()

        local image = paintutils.loadImage(rootFolder .. "/temp_file")
        env.fs.delete("/temp_file")
        return image
    end
    return nil
end

api.writeDataFile = function(path, content)
    if type(path) ~= "string" or type(content) ~= "string" then
        error("expected string, string", 2) end
    if path:sub(1, 1) == "/" then path = path:sub(2, -1) end
    local dataPath = websiteDataFolder .. "/" .. path:gsub("/", "$slazh$")

    if env.fs.isReadOnly(dataPath) then return false end
    if env.fs.exists(dataPath) then env.fs.delete(dataPath) end
    local f = env.io.open(dataPath, "w")
    if not f then return false end
    f:write(content)
    f:close()
    return true
end

api.readDataFile = function(path)
    if type(path) ~= "string" then error("readDataFile: expected string") end
    if path:sub(1, 1) == "/" then path = path:sub(2, -1) end
    local dataPath = websiteDataFolder .. "/" .. path:gsub("/", "$slazh$")

    if env.fs.isDir(dataPath) then env.fs.delete(dataPath) end
    if env.fs.exists(dataPath) then
        local f = env.io.open(dataPath, "r")
        local cont = f:read("*a")
        f:close()
        return cont
    end
    return nil
end

api.saveFileToUserComputer = function(content)
    if type(content) ~= "string" then error("expected string", 2) end
    local oldback, oldtext = override.term.getBackgroundColor(), override.term.getTextColor()
    local ox, oy = term.getCursorPos()

    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setCursorPos(1, 1)
    term.setBackgroundColor(colors[theme["top-box"]])
    print("")
    leftPrint(string.rep(" ", 20))
    leftPrint(" Save File Request  ")
    leftPrint(string.rep(" ", 20))
    print("")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    for i = 1, 11 do rightPrint(string.rep(" ", 36)) end
    term.setCursorPos(1, 7)
    rightPrint("The website: ")
    rightPrint(website .. "  ")
    rightPrint("Is requesting to save a file ")
    rightPrint("to your computer. ")

    local ret = nil
    local opt = prompt({{"Save File", w - 16, 12}, {"Cancel", w - 13, 13}}, "vertical")
    if opt == "Save File" then
        while not ret do
            term.setCursorPos(1, 15)
            rightWrite(string.rep(" ", 36))
            term.setCursorPos(w - 34, 15)
            write("Path: /")
            local p = read()

            term.setCursorPos(1, 15)
            rightWrite(string.rep(" ", 36))
            if p == "" then
                rightWrite("Cancelled ")
                break
            elseif fs.exists("/" .. p) then
                rightWrite("File Already Exists! ")
            else
                rightWrite("File Saved! ")
                ret = "/" .. p
                local f = env.io.open(ret, "w")
                f:write(content)
                f:close()
            end

            openAddressBar = false
            sleep(1.3)
            openAddressBar = true
        end
    elseif opt == "Cancel" then
        term.setCursorPos(1, 15)
        rightWrite("Saving Cancelled! ")
    end

    openAddressBar = false
    sleep(1.3)
    openAddressBar = true

    term.setBackgroundColor(oldback or colors.black)
    term.setTextColor(oldtext or colors.white)
    term.clear()
    term.setCursorPos(ox, oy)
    return ret
end

api.urlDownload = function(url)
    if type(url) ~= "string" then error("expected string", 2) end
    local source = nil
    http.request(url)
    local a = os.startTimer(10)
    while true do
        local e, surl, handle = os.pullEvent()
        if e == "http_success" then
            source = handle.readAll()
            break
        elseif e == "http_failure" or (e == "timer" and surl == a) then
            break
        end
    end

    if type(source) == "string" then
        return api.saveFileToUserComputer(source)
    else return nil end
end

api.pastebinDownload = function(code)
    return api.urlDownload("http://pastebin.com/raw.php?i=" .. tostring(code))
end


--  Redirection

api.redirect = function(url)
    if type(url) ~= "string" then url = "home" end
    os.queueEvent(event_redirect, url:gsub("rdnt://"):gsub("http://"))
    error()
end


--  Theme

api.themeColor = function(tag)
    if type(tag) ~= "string" then error("themeColor: expected string") end
    return colors[theme[tag] or defaultTheme[tag] or "white"]
end

api.themeColour = function(tag) return api.themeColor(tag) end


--  Prompt

api.prompt = function(list, dir)
    if isAdvanced() then
        for _, v in pairs(list) do
            if v.bg then term.setBackgroundColor(v.bg) end
            if v.tc then term.setTextColor(v.tc) end
            if v[2] == -1 then v[2] = math.ceil((w + 1)/2 - (v[1]:len() + 6)/2) end

            term.setCursorPos(v[2], v[3])
            write("[- " .. v[1])
            term.setCursorPos(v[2] + v[1]:len() + 3, v[3])
            write(" -]")
        end

        while true do
            local e, but, x, y = os.pullEvent()
            if e == "mouse_click" then
                for _, v in pairs(list) do
                    if x >= v[2] and x <= v[2] + v[1]:len() + 5 and y + (v.coffset or 0) == v[3] then
                        return v[1]
                    end
                end
            end
        end
    else
        for _, v in pairs(list) do
            term.setBackgroundColor(colors.black)
            term.setTextColor(colors.white)
            if v[2] == -1 then v[2] = math.ceil((w + 1)/2 - (v[1]:len() + 4)/2) end

            term.setCursorPos(v[2], v[3])
            write("  " .. v[1])
            term.setCursorPos(v[2] + v[1]:len() + 2, v[3])
            write("  ")
        end

        local key1 = dir == "horizontal" and 203 or 200
        local key2 = dir == "horizontal" and 205 or 208

        local curSel = 1
        term.setCursorPos(list[curSel][2], list[curSel][3])
        write("[")
        term.setCursorPos(list[curSel][2] + list[curSel][1]:len() + 3, list[curSel][3])
        write("]")
        while true do
            local e, key = os.pullEvent("key")
            term.setCursorPos(list[curSel][2], list[curSel][3])
            write(" ")
            term.setCursorPos(list[curSel][2] + list[curSel][1]:len() + 3, list[curSel][3])
            write(" ")
            if key == key1 and curSel > 1 then curSel = curSel - 1
            elseif key == key2 and curSel < #list then curSel = curSel + 1
            elseif key == 28 then return list[curSel][1] end
            term.setCursorPos(list[curSel][2], list[curSel][3])
            write("[")
            term.setCursorPos(list[curSel][2] + list[curSel][1]:len() + 3, list[curSel][3])
            write("]")
        end
    end
end

api.scrollingPrompt = function(list, x, y, len, width, coffset)
    local wid = width
    if not wid then wid = w - 3 end

    local function updateDisplayList(items, loc, len)
        local ret = {}
        for i = 1, len do
            local item = items[i + loc - 1]
            if item then table.insert(ret, item) end
        end
        return ret
    end

    if isAdvanced() then
        local function draw(a)
            for i, v in ipairs(a) do
                term.setCursorPos(x, y + i - 1)
                write(string.rep(" ", wid))
                term.setCursorPos(x, y + i - 1)
                write("[ " .. v:sub(1, wid - 5))
                term.setCursorPos(wid + x - 2, y + i - 1)
                write("  ]")
            end
        end

        local loc = 1
        local disList = updateDisplayList(list, loc, len)
        draw(disList)

        while true do
            local e, but, clx, cly = os.pullEvent()
            if e == "key" and but == 200 and loc > 1 then
                loc = loc - 1
                disList = updateDisplayList(list, loc, len)
                draw(disList)
            elseif e == "key" and but == 208 and loc + len - 1 < #list then
                loc = loc + 1
                disList = updateDisplayList(list, loc, len)
                draw(disList)
            elseif e == "mouse_scroll" and but > 0 and loc + len - 1 < #list then
                loc = loc + but
                disList = updateDisplayList(list, loc, len)
                draw(disList)
            elseif e == "mouse_scroll" and but < 0 and loc > 1 then
                loc = loc + but
                disList = updateDisplayList(list, loc, len)
                draw(disList)
            elseif e == "mouse_click" then
                for i, v in ipairs(disList) do
                    if clx >= x and clx <= x + wid and cly + coffset == i + y - 1 then return v end
                end
            end
        end
    else
        local function draw(a)
            for i, v in ipairs(a) do
                term.setCursorPos(x, y + i - 1)
                write(string.rep(" ", wid))
                term.setCursorPos(x, y + i - 1)
                write("[ ] " .. v:sub(1, wid - 5))
            end
        end

        local loc = 1
        local curSel = 1
        local disList = updateDisplayList(list, loc, len)
        draw(disList)
        term.setCursorPos(x + 1, y + curSel - 1)
        write("x")

        while true do
            local e, key = os.pullEvent()
            term.setCursorPos(x + 1, y + curSel - 1)
            write(" ")
            if e == "key" and key == 200 then
                if curSel > 1 then curSel = curSel - 1
                elseif loc > 1 then
                    loc = loc - 1
                    disList = updateDisplayList(list, loc, len)
                    draw(disList)
                end
            elseif e == "key" and key == 208 then
                if curSel < #disList then curSel = curSel + 1
                elseif loc + len - 1 < #list then
                    loc = loc + 1
                    disList = updateDisplayList(list, loc, len)
                    draw(disList)
                end
            elseif e == "key" and key == 28 then return list[curSel + loc - 1] end
            term.setCursorPos(x + 1, y + curSel - 1)
            write("x")
        end
    end
end

-- Set Environment
for k, v in pairs(getfenv(0)) do env[k] = v end
for k, v in pairs(getfenv(1)) do env[k] = v end
for k, v in pairs(env) do oldEnv[k] = v end
for k, v in pairs(api) do env[k] = v end


--  -------- Override

for k, v in pairs(env) do override[k] = v end
local curtext, curbackground = colors.white, colors.black
override.term = {}
for k, v in pairs(env.term) do override.term[k] = v end
override.os = {}
for k, v in pairs(env.os) do override.os[k] = v end

override.term.getSize = function()
    local a, b = env.term.getSize()
    return a, b - 2
end

override.term.setCursorPos = function(x, y)
    if y < 1 then return env.term.setCursorPos(x, 2)
    else return env.term.setCursorPos(x, y + 1) end
end

override.term.getCursorPos = function()
    local x, y = env.term.getCursorPos()
    return x, y - 1
end

override.term.getBackgroundColor = function() return curbackground end
override.term.getBackgroundColour = function() return override.term.getBackgroundColor() end

override.term.setBackgroundColor = function(col)
    curbackground = col
    return env.term.setBackgroundColor(col)
end

override.term.setBackgroundColour = function(col) return override.term.setBackgroundColor(col) end

override.term.getTextColor = function() return curtext end
override.term.getTextColour = function() return override.term.getTextColor() end

override.term.setTextColor = function(col)
    curtext = col
    return env.term.setTextColor(col)
end

override.term.setTextColour = function(col) return override.term.setTextColor(col) end

override.term.clear = function()
    local x, y = term.getCursorPos()
    local oldbackground = override.term.getBackgroundColor()
    local oldtext = override.term.getTextColor()
    clear(website, curbackground)

    term.setBackgroundColor(oldbackground)
    term.setTextColor(oldtext)
    term.setCursorPos(x, y)
end

override.term.scroll = function(n)
    local x, y = term.getCursorPos()
    local oldbackground = override.term.getBackgroundColor()
    local oldtext = override.term.getTextColor()

    env.term.scroll(n)
    clear(website, curbackground, true)
    term.setBackgroundColor(oldbackground)
    term.setTextColor(oldtext)
    term.setCursorPos(x, y)
end

override.term.isColor = function() return isAdvanced() end
override.term.isColour = function() return override.term.isColor() end

override.os.queueEvent = function(event, ...)
    if event == "terminate" or event == event_exit then return end
    if event == event_error and not websiteerror then return end
    env.os.queueEvent(event, ...)
end

override.prompt = function(list, dir)
    local a = {}
    for k, v in pairs(list) do
        table.insert(a, {v[1], v[2], v[3] + 1, tc = v.tc or curtext,
            bg = v.bg or curbackground, coffset = 1})
    end
    return env.prompt(a, dir)
end

override.scrollingPrompt = function(list, x, y, len, width)
    return env.scrollingPrompt(list, x, y + 1, len, width, 1)
end

local barTerm = {}
for k, v in pairs(override.term) do barTerm[k] = v end
barTerm.clear = override.term.clear
barTerm.scroll = override.term.scroll

local safeTerm = {}
for k, v in pairs(term) do safeTerm[k] = v end

override.showBar = function()
    offsetclick, clickableAddressBar = true, true
    return os.pullEvent, barTerm
end

override.hideBar = function()
    offsetclick, clickableAddressBar = false, false
    return os.pullEvent, safeTerm
end

setfenv(api.saveFileToUserComputer, override)


--  -------- Antivirus

local antivirusOverrides = {
    ["Run Files"] = {"shell.run", "os.run"},
    ["Modify System"] = {"shell.setAlias", "shell.clearAlias", "os.setComputerLabel",
        "shell.setDir", "shell.setPath"},
    ["Modify Files"] = {"fs.makeDir", "fs.move", "fs.copy", "fs.delete", "fs.open",
        "io.open", "io.write", "io.read", "io.close"},
    ["Shutdown Computer"] = {"os.shutdown", "os.reboot", "shell.exit"}
}

local antivirusDestroy = {
    "rawset", "rawget", "setfenv", "loadfile", "loadstring", "dofile", "getfenv"
}

local function triggerAntivirus(offence, onlyCancel)
    local oldback, oldtext = curbackground, curtext
    local ox, oy = term.getCursorPos()
    openAddressBar = false
    term.setBackgroundColor(colors[theme["address-bar-background"]])
    term.setTextColor(colors[theme["address-bar-text"]])
    term.setCursorPos(2, 1)
    term.clearLine()
    write("Request: " .. offence)
    term.setCursorPos(w - 8, 1)
    write("[C]ancel")
    if not onlyCancel then
        term.setCursorPos(w - 16, 1)
        write("[A]llow")
    end

    offsetclick = false
    local stat = ""
    while true do
        local e, but, x, y = env.os.pullEvent()
        if e == "mouse_click" and y == 1 then
            if x >= w - 8 and x <= w - 1 then stat = "cancel"
            elseif not onlyCancel and x >= w - 16 and x <= w - 9 then stat = "allow" end
        elseif e == "char" and but == "c" then stat = "cancel"
        elseif e == "char" and not onlyCancel and but == "a" then stat = "allow" end
        if stat ~= "" then break end
    end
    offsetclick = true

    clear(website, nil, true)
    term.setTextColor(colors.white)
    term.setBackgroundColor(colors.black)
    term.setCursorPos(ox, oy)
    term.setBackgroundColor(oldback)
    term.setTextColor(oldtext)
    if not onlyCancel and stat == "allow" then
        -- To prevent the menu bar from opening
        os.queueEvent("firewolf_requiredEvent")
        os.pullEvent()

        openAddressBar = true
        return true
    elseif stat == "cancel" then
        openAddressBar = true
        redirect("home")
    end
end

for k, v in pairs(override) do antivirus[k] = v end

antivirus.shell = {}
for k, v in pairs(override.shell) do antivirus.shell[k] = v end
antivirus.os = {}
for k, v in pairs(override.os) do antivirus.os[k] = v end
antivirus.fs = {}
for k, v in pairs(override.fs) do antivirus.fs[k] = v end
antivirus.io = {}
for k, v in pairs(override.io) do antivirus.io[k] = v end

for warning, v in pairs(antivirusOverrides) do
    for k, func in pairs(v) do
        if func:find(".", 1, true) then
            -- Functions in another table
            local table = func:sub(1, func:find(".", 1, true) - 1)
            local funcname = func:sub(func:find(".", 1, true) + 1, -1)

            antivirus[table][funcname] = function(...)
                env.setfenv(triggerAntivirus, env)
                if triggerAntivirus(warning) then
                    return override[table][funcname](...)
                end
            end
        else
            -- Plain functions
            antivirus[func] = function(...)
                env.setfenv(triggerAntivirus, env)
                if triggerAntivirus(warning) then
                    return override[func](...)
                end
            end
        end
    end
end

for k, v in pairs(antivirusDestroy) do
    antivirus[v] = function(...)
        env.setfenv(triggerAntivirus, env)
        triggerAntivirus("Destory your System! D:", true)
        return nil
    end
end

antivirus.pcall = function(...)
    local suc, err = env.pcall(...)
    if err:lower():find("terminate") then error("terminate") end
    return suc, err
end


--  -------- Themes

local defaultTheme = {
    ["address-bar-text"] = "white",
    ["address-bar-background"] = "gray",
    ["address-bar-base"] = "lightGray",
    ["top-box"] = "red",
    ["bottom-box"] = "orange",
    ["text-color"] = "white",
    ["background"] = "gray"
} local originalTheme = {
    ["address-bar-text"] = "white",
    ["address-bar-background"] = "black",
    ["address-bar-base"] = "black",
    ["top-box"] = "black",
    ["bottom-box"] = "black",
    ["text-color"] = "white",
    ["background"] = "black"
}

local function loadTheme(path)
    if fs.exists(path) and not fs.isDir(path) then
        local a = {}
        local f = io.open(path, "r")
        local l = f:read("*l")
        while l do
            l = l:gsub("^%s*(.-)%s*$", "%1")
            if l and l ~= "" and l ~= "\n" and l:sub(1, 2) ~= "--" then
                local k, v = string.match(l, "^(%a+)=(%a+)")
                if k and v then a[k] = v
                else return nil end
            end
            l = f:read("*l")
        end
        f:close()
        return a
    end
    return nil
end


--  -------- Filesystem

local function download(url, path)
    for i = 1, 3 do
        local response = http.get(url)
        if response then
            local data = response.readAll()
            response.close()
            if path then
                local f = io.open(path, "w")
                f:write(data)
                f:close()
            end
            return true
        end
    end

    return false
end

local function updateClient()
    local skipNormal = false
    if serverID ~= "experimental" then
        http.request(buildURL)
        local a = os.startTimer(10)
        while true do
            local e, url, handle = os.pullEvent()
            if e == "http_success" then
                local b = handle.readAll():gsub("^%s*(.-)%s*$", "%1")
                if not tonumber(b) or tonumber(b) > build then break
                else return false end
            elseif e == "http_failure" or (e == "timer" and url == a) then
                skipNormal = true
                break
            end
        end
    end

    local source = nil
    if not skipNormal then
        local _, y = term.getCursorPos()
        term.setCursorPos(1, y - 2)
        rightWrite(string.rep(" ", 32))
        rightWrite("Updating Firewolf... ")

        http.request(firewolfURL)
        local a = os.startTimer(10)
        while true do
            local e, url, handle = os.pullEvent()
            if e == "http_success" then
                source = handle
                break
            elseif e == "http_failure" or (e == "timer" and url == a) then
                break
            end
        end
    end

    if not source then
        if isAdvanced() then
            term.setTextColor(colors[theme["text-color"]])
            term.setBackgroundColor(colors[theme["background"]])
            term.clear()
            if not fs.exists(rootFolder) then fs.makeDir(rootFolder) end
            local f = io.open(rootFolder .. "/temp_file", "w")
            f:write(graphics.githubImage)
            f:close()
            local a = paintutils.loadImage(rootFolder .. "/temp_file")
            paintutils.drawImage(a, 5, 5)
            sleep(0.2)
            fs.delete(rootFolder .. "/temp_file")

            term.setCursorPos(19, 4)
            term.setBackgroundColor(colors[theme["top-box"]])
            write(string.rep(" ", 32))
            term.setCursorPos(19, 5)
            write("  Could Not Connect to GitHub!  ")
            term.setCursorPos(19, 6)
            write(string.rep(" ", 32))
            term.setBackgroundColor(colors[theme["bottom-box"]])
            term.setCursorPos(19, 8)
            write(string.rep(" ", 32))
            term.setCursorPos(19, 9)
            write("    Sorry, Firewolf could not   ")
            term.setCursorPos(19, 10)
            write(" connect to GitHub to download  ")
            term.setCursorPos(19, 11)
            write(" necessary files. Please check: ")
            term.setCursorPos(19, 12)
            write("    http://status.github.com    ")
            term.setCursorPos(19, 13)
            write(string.rep(" ", 32))
            term.setCursorPos(19, 14)
            write("        Click to exit...        ")
            term.setCursorPos(19, 15)
            write(string.rep(" ", 32))
        else
            term.clear()
            term.setCursorPos(1, 1)
            term.setBackgroundColor(colors.black)
            term.setTextColor(colors.white)
            print("\n")
            centerPrint("Could not connect to GitHub!")
            print("")
            centerPrint("Sorry, Firewolf could not connect to")
            centerPrint("GitHub to download necessary files.")
            centerPrint("Please check:")
            centerPrint("http://status.github.com")
            print("")
            centerPrint("Press any key to exit...")
        end

        while true do
            local e = os.pullEvent()
            if e == "mouse_click" or e == "key" then break end
        end

        return false
    elseif source and autoupdate == "true" then
        local b = io.open(firewolfLocation, "r")
        local new = source.readAll()
        local cur = b:read("*a")
        source.close()
        b:close()

        if cur ~= new then
            fs.delete(firewolfLocation)
            local f = io.open(firewolfLocation, "w")
            f:write(new)
            f:close()
            return true
        else
            return false
        end
    end
end

local function resetFilesystem()
    -- Migrate
    fs.delete(rootFolder .. "/available_themes")
    fs.delete(rootFolder .. "/default_theme")

    -- Reset
    if not fs.exists(rootFolder) then fs.makeDir(rootFolder)
    elseif not fs.isDir(rootFolder) then fs.move(rootFolder, "/Firewolf_Data.old") end

    for _, v in pairs({serverFolder, cacheFolder, websiteDataFolder}) do
        if not fs.isDir(v) then fs.delete(v) end
        if not fs.exists(v) then fs.makeDir(v) end
    end

    if fs.isDir(settingsLocation) then fs.delete(settingsLocation) end
    if fs.isDir(serverLocation) then fs.delete(serverLocation) end

    if not fs.exists(settingsLocation) then
        local f = io.open(settingsLocation, "w")
        f:write(textutils.serialize({auto = "true", incog = "false", home = "firewolf"}))
        f:close()
    end

    if not fs.exists(serverLocation) then download(serverURL, serverLocation) end
    fs.delete(rootFolder .. "/temp_file")

    for _, v in pairs({userWhitelist, userBlacklist}) do
        if fs.isDir(v) then fs.delete(v) end
        if not fs.exists(v) then
            local f = io.open(v, "w")
            f:write("")
            f:close()
        end
    end
end

local function checkForModem(display)
    while true do
        local present = false
        for _, v in pairs(rs.getSides()) do
            if peripheral.getType(v) == "modem" then rednet.open(v) present = true break end
        end

        if not present and type(display) == "function" then display() os.pullEvent("peripheral")
        else return true end
    end
end


--  -------- Databases

local function loadDatabases()
    if fs.exists(userBlacklist) and not fs.isDir(userBlacklist) then
        local bf = io.open(userBlacklist, "r")
        local l = bf:read("*l")
        while l do
            if l and l ~= "" and l ~= "\n" then
                l = l:gsub("^%s*(.-)%s*$", "%1")
                table.insert(blacklist, l)
            end
            l = bf:read("*l")
        end
        bf:close()
    end

    if fs.exists(userWhitelist) and not fs.isDir(userWhitelist) then
        local wf = io.open(userWhitelist, "r")
        local l = wf:read("*l")
        while l do
            if l and l ~= "" and l ~= "\n" then
                l = l:gsub("^%s*(.-)%s*$", "%1")
                local a, b = l:find("| |")
                table.insert(whitelist, {l:sub(1, a - 1), l:sub(b + 1, -1)})
            end
            l = wf:read("*l")
        end
        wf:close()
    end
end

local function verifyBlacklist(id)
    for _, v in pairs(blacklist) do if tostring(id) == v then return true end end
    return false
end

local function verifyWhitelist(id, url)
    for _, v in pairs(whitelist) do
        if v[2] == tostring(id) and v[1] == tostring(url) then return true end
    end
    return false
end


--  -------- Graphics and Files

graphics.githubImage = [[
f       f
fffffffff
fffffffff
f4244424f
f4444444f
fffffefffe
   fffe e
 fffff e
ff f fe e
     e   e
]]

graphics.nomodem = function()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setCursorPos(1, 1)
    print("\n")
    term.setBackgroundColor(colors[theme["top-box"]])
    api.leftPrint(string.rep(" ", 24))
    api.leftPrint(" No Modem Attached! D:  ")
    api.leftPrint(string.rep(" ", 24))
    print("\n")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    api.rightPrint(string.rep(" ", 40))
    api.rightPrint("    No wireless modem was found on this ")
    api.rightPrint("  computer, and Firewolf cannot use the ")
    api.rightPrint("             RDNT protocol without one! ")
    api.rightPrint(string.rep(" ", 40))
    api.rightPrint("  Waiting for a modem to be attached... ")
    api.rightPrint(string.rep(" ", 40))
end

graphics.nonexistantwebpage = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setCursorPos(1, 2)
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    leftPrint(string.rep(" ", 11))
    leftPrint(" Oh Noes!  ")
    leftPrint(string.rep(" ", 11))
    print("\n")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 43))
    rightPrint([[       ______                          __  ]])
    rightPrint([[      / ____/_____ _____ ____   _____ / /  ]])
    rightPrint([[     / __/  / ___// ___// __ \ / ___// /   ]])
    rightPrint([[    / /___ / /   / /   / /_/ // /   /_/    ]])
    rightPrint([[   /_____//_/   /_/    \____//_/   (_)     ]])
    rightPrint(string.rep(" ", 43))
    rightPrint("  Could not connect to the website! It may ")
    rightPrint("  be down, or not exist!                   ")
    rightPrint(string.rep(" ", 43))
end

graphics.nosearchresults = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setCursorPos(1, 5)
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    centerPrint(string.rep(" ", 40))
    centerPrint("  No Websites are Currently Online! D:  ")
    centerPrint(string.rep(" ", 40))
    centerPrint("       Why not make one yourself?       ")
    centerPrint("          Visit rdnt://server!          ")
    centerPrint(string.rep(" ", 40))
end

files.availableThemes = [[
https://raw.github.com/1lann/firewolf/master/themes/default.txt| |Fire (default)
https://raw.github.com/1lann/firewolf/master/themes/ice.txt| |Ice
https://raw.github.com/1lann/firewolf/master/themes/carbon.txt| |Carbon
https://raw.github.com/1lann/firewolf/master/themes/christmas.txt| |Christmas
https://raw.github.com/1lann/firewolf/master/themes/original.txt| |Original
https://raw.github.com/1lann/firewolf/master/themes/ocean.txt| |Ocean
https://raw.github.com/1lann/firewolf/master/themes/forest.txt| |Forest
https://raw.github.com/1lann/firewolf/master/themes/pinky.txt| |Pinky
https://raw.github.com/1lann/firewolf/master/themes/azhftech.txt| |AzhfTech
]]

files.newTheme = [[
-- Address bar text color
address-bar-text=

-- Address bar background color
address-bar-background=

-- Color of separator bar on live search dropdown
address-bar-base=

-- Top box background color
top-box=

-- Bottom box background color
bottom-box=

-- Main background color
background=

-- Main text color
text-color=

]]


--  -------- Protocols

protocols.rdnt = {}
protocols.http = {}

protocols.rdnt.getSearchResults = function()
    dnsDatabase = {[1] = {}, [2] = {}}
    local resultIDs = {}
    local conflict = {}

    rednet.broadcast("firewolf.broadcast.dns.list")
    local startClock = os.clock()
    while os.clock() - startClock < timeout do
        local id, i = rednet.receive(timeout)
        if id then
            if i:sub(1, 14) == "firewolf-site:" then
                i = i:sub(15, -1)
                local bl, wl = verifyBlacklist(id), verifyWhitelist(id, i)
                if not i:find(" ") and i:len() < 40 and (not bl or (bl and wl)) then
                    if not resultIDs[tostring(id)] then resultIDs[tostring(id)] = 1
                    else resultIDs[tostring(id)] = resultIDs[tostring(id)] + 1 end

                    if not i:find("rdnt://") then i = ("rdnt://" .. i) end
                    local x = false
                    if conflict[i] then
                        x = true
                        table.insert(conflict[i], id)
                    else
                        for m, n in pairs(dnsDatabase[1]) do
                            if n:lower() == i:lower() then
                                x = true
                                table.remove(dnsDatabase[1], m)
                                table.remove(dnsDatabase[2], m)
                                if conflict[i] then table.insert(conflict[i], id)
                                else conflict[i] = {} table.insert(conflict[i], id) end
                                break
                            end
                        end
                    end

                    if not x and resultIDs[tostring(id)] <= 3 then
                        table.insert(dnsDatabase[1], i)
                        table.insert(dnsDatabase[2], id)
                    end
                end
            end
        else break end
    end

    for k, v in pairs(conflict) do
        table.sort(v)
        table.insert(dnsDatabase[1], k)
        table.insert(dnsDatabase[2], v[1])
    end
end

protocols.rdnt.getWebsite = function(site)
    local id, content, status = nil, nil, nil
    local clock = os.clock()
    local websiteID = nil
    for k, v in pairs(dnsDatabase[1]) do
        local web = site:gsub("rdnt://", "")
        if web:find("/") then web = web:sub(1, web:find("/") - 1) end
        if web == v:gsub("rdnt://", "") then websiteID = dnsDatabase[2][k] break end
    end
    if not websiteID then return nil, nil, nil end

    sleep(timeout)
    rednet.send(websiteID, site)
    clock = os.clock()
    while os.clock() - clock < timeout do
        id, content = rednet.receive(timeout)
        if id and id == websiteID then
            local bl, wl = verifyBlacklist(id), verifyWhitelist(id, site)
            status = nil
            if (bl and not wl) or site == "" or site == "." or site == ".." then
                -- Ignore
            elseif wl then status = "whitelist" break
            else status = "safe" break end
        end
    end

    return id, content, status
end

protocols.http.getSearchResults = function()
    dnsDatabase = {[1] = {}, [2] = {}}
end

protocols.http.getWebsite = function(site)
    return nil, nil, nil
end


--  -------- Homepage

pages["firewolf"] = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    print("")
    leftPrint(string.rep(" ", 42))
    leftPrint([[        _,-='"-.__               /\_/\    ]])
    leftPrint([[         -.}        =._,.-==-._.,  @ @._, ]])
    leftPrint([[            -.__  __,-.   )       _,.-'   ]])
    leftPrint([[ Firewolf ]] .. version .. string.rep(" ", 8 - version:len()) ..
        [["    G..m-"^m m'        ]])
    leftPrint(string.rep(" ", 42))
    print("\n")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 42))
    if isAdvanced() then rightPrint("  News:                       [- Sites -] ")
    else rightPrint("  News:                                   ") end
    rightPrint("     Firewolf 2.5 is out! It rewrites the ")
    rightPrint("    whole Firewolf's internals (again :P) ")
    rightPrint(string.rep(" ", 42))
    rightPrint("   Firewolf 3.0 will be out soon! It will ")
    rightPrint("     bring the long awaited HTTP support! ")
    rightPrint(string.rep(" ", 42))

    while true do
        local e, but, x, y = os.pullEvent()
        if e == "mouse_click" and x >= 40 and x <= 50 and y == 11 then redirect("sites") end
    end
end

pages["sites"] = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    print("\n")
    leftPrint(string.rep(" ", 17))
    leftPrint(" Built-In Sites  ")
    leftPrint(string.rep(" ", 17))

    local sx = 8
    term.setBackgroundColor(colors[theme["bottom-box"]])
    term.setCursorPos(1, sx)
    rightPrint(string.rep(" ", 40))
    rightPrint("  rdnt://firewolf              Homepage ")
    rightPrint("  rdnt://sites                    Sites ")
    rightPrint("  rdnt://server       Server Management ")
    rightPrint("  rdnt://help                 Help Page ")
    rightPrint("  rdnt://settings              Settings ")
    rightPrint("  rdnt://credits                Credits ")
    rightPrint("  rdnt://exit                      Exit ")
    rightPrint(string.rep(" ", 40))

    local a = {"firewolf", "sites", "server", "help", "settings", "credits", "exit"}
    while true do
        local e, but, x, y = os.pullEvent()
        if e == "mouse_click" and x >= 14 and x <= 50 then
            for i, v in ipairs(a) do if y == sx + i and v ~= "exit" then redirect(v) end end
        end
    end
end


--  -------- Server Management

local function manageServers(site, protocol, functionList, startServerName)
    local servers = functionList["reload servers"]()
    local sy = 7

    if not startServerName then startServerName = "Start" end
    if isAdvanced() then
        local function draw(l, sel)
            term.setBackgroundColor(colors[theme["bottom-box"]])
            term.setCursorPos(4, sy)
            write("[- New Server -]")
            for i, v in ipairs(l) do
                term.setCursorPos(3, i + sy)
                write(string.rep(" ", 24))
                term.setCursorPos(4, i + sy)
                local nv = v
                if nv:len() > 18 then nv = nv:sub(1, 15) .. "..." end
                if i == sel then write("[ " .. nv .. " ]")
                else write("  " .. nv) end
            end

            if #l < 1 then
                term.setCursorPos(4, sy + 2)
                write("A website is literally")
                term.setCursorPos(4, sy + 3)
                write("just a lua script!")
                term.setCursorPos(4, sy + 4)
                write("Go ahead and make one!")
                term.setCursorPos(4, sy + 6)
                write("Also, be sure to check")
                term.setCursorPos(4, sy + 7)
                write("out Firewolf's APIs to")
                term.setCursorPos(4, sy + 8)
                write("help you make your")
                term.setCursorPos(4, sy + 9)
                write("site, at rdnt://help")
            end

            term.setCursorPos(30, sy)
            write(string.rep(" ", 19))
            term.setCursorPos(30, sy)
            if l[sel] then
                local nl = l[sel]
                if nl:len() > 19 then nl = nl:sub(1, 16) .. "..." end
                write(nl)
            else write("No Server Selected!") end
            term.setCursorPos(30, sy + 2)
            write("[- " .. startServerName .. " -]")
            term.setCursorPos(30, sy + 4)
            write("[- Edit -]")
            term.setCursorPos(30, sy + 6)
            if functionList["run on boot"] then write("[- Run on Boot -]") end
            term.setCursorPos(30, sy + 8)
            write("[- Delete -]")
        end

        local function updateDisplayList(items, loc, len)
            local ret = {}
            for i = 1, len do
                if items[i + loc - 1] then table.insert(ret, items[i + loc - 1]) end
            end
            return ret
        end

        while true do
            term.setBackgroundColor(colors[theme["background"]])
            term.clear()
            term.setCursorPos(1, 1)
            term.setTextColor(colors[theme["text-color"]])
            term.setBackgroundColor(colors[theme["top-box"]])
            print("")
            leftPrint(string.rep(" ", 27))
            leftPrint(" Server Management - " .. protocol:upper() .. "  ")
            leftPrint(string.rep(" ", 27))
            print("")

            term.setBackgroundColor(colors[theme["bottom-box"]])
            for i = 1, 12 do
                term.setCursorPos(3, i + sy - 2)
                write(string.rep(" ", 24))
                term.setCursorPos(29, i + sy - 2)
                write(string.rep(" ", 21))
            end

            local sel, loc, len = 1, 1, 10
            local disList = updateDisplayList(servers, loc, len)
            draw(disList, sel)

            while true do
                local e, but, x, y = os.pullEvent()
                if e == "key" and but == 200 and #servers > 0 and loc > 1 then
                    loc = loc - 1
                    disList = updateDisplayList(servers, loc, len)
                    draw(disList, sel)
                elseif e == "key" and but == 208 and #servers > 0 and loc + len - 1 < #servers then
                    loc = loc + 1
                    disList = updateDisplayList(servers, loc, len)
                    draw(disList, sel)
                elseif e == "mouse_click" then
                    if x >= 4 and x <= 25 then
                        if y == 7 then
                            functionList["new server"]()
                            servers = functionList["reload servers"]()
                            break
                        elseif #servers > 0 then
                            for i, v in ipairs(disList) do
                                if y == i + 7 then
                                    sel = i
                                    draw(disList, sel)
                                end
                            end
                        end
                    elseif x >= 30 and x <= 40 and y == 9 and #servers > 0 then
                        functionList["start"](disList[sel])
                        servers = functionList["reload servers"]()
                        break
                    elseif x >= 30 and x <= 39 and y == 11 and #servers > 0 then
                        functionList["edit"](disList[sel])
                        servers = functionList["reload servers"]()
                        break
                    elseif x >= 30 and x <= 46 and y == 13 and #servers > 0 and
                            functionList["run on boot"] then
                        functionList["run on boot"](disList[sel])
                        term.setBackgroundColor(colors[theme["bottom-box"]])
                        term.setCursorPos(32, 15)
                        write("Will Run on Boot!")
                        openAddressBar = false
                        sleep(1.3)
                        openAddressBar = true
                        term.setCursorPos(32, 15)
                        write(string.rep(" ", 18))
                        break
                    elseif x >= 30 and x <= 41 and y == 15 and #servers > 0 then
                        functionList["delete"](disList[sel])
                        servers = functionList["reload servers"]()
                        break
                    end
                end
            end
        end
    else
        while true do
            term.setBackgroundColor(colors[theme["background"]])
            term.clear()
            term.setCursorPos(1, 1)
            term.setTextColor(colors[theme["text-color"]])
            term.setBackgroundColor(colors[theme["top-box"]])
            print("")
            centerPrint(string.rep(" ", 27))
            centerPrint(" Server Management - " .. protocol:upper() .. "  ")
            centerPrint(string.rep(" ", 27))
            print("")

            local a = {"New Server"}
            for _, v in pairs(servers) do table.insert(a, v) end
            local server = scrollingPrompt(a, 4, 7, 10)
            if server == "New Server" then
                functionList["new server"]()
                servers = functionList["reload servers"]()
            else
                term.setCursorPos(30, 8)
                write(server)
                local a = {{"Start", 30, 9}, {"Edit", 30, 11}, {"Run on Boot", 30, 12},
                    {"Delete", 30, 13}, {"Back", 30, 15}}
                if not functionList["run on boot"] then
                    a = {{"Start", 30, 9}, {"Edit", 30, 11}, {"Delete", 30, 13}, {"Back", 30, 15}}
                end
                local opt = prompt(a, "vertical")
                if opt == "Start" then
                    functionList["start"](server)
                    servers = functionList["reload servers"]()
                elseif opt == "Edit" then
                    functionList["edit"](server)
                    servers = functionList["reload servers"](server)
                elseif opt == "Run on Boot" and functionList["run on boot"] then
                    functionList["run on boot"](server)
                    term.setCursorPos(32, 16)
                    write("Will Run on Boot!")
                    openAddressBar = false
                    sleep(1.3)
                    openAddressBar = true
                elseif opt == "Delete" then
                    functionList["delete"](server)
                    servers = functionList["reload servers"]()
                end
            end
        end
    end
end

local function editPages(dir)
    local oldLoc = shell.dir()
    local commandHis = {}
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.clear()
    term.setCursorPos(1, 1)
    print("")
    print(" Server Shell Editing")
    print(" Type 'exit' to return to Firewolf.")
    print(" The 'home' file is the index of your site.")
    print("")

    local allowed = {"move", "mv", "cp", "copy", "drive", "delete", "rm", "edit",
        "eject", "exit", "help", "id", "monitor", "rename", "alias", "clear",
        "paint", "lua", "redstone", "rs", "redprobe", "redpulse", "programs",
        "redset", "reboot", "hello", "label", "list", "ls", "easter", "pastebin", "dir"}

    while true do
        shell.setDir(dir)
        term.setBackgroundColor(colors.black)
        if isAdvanced() then term.setTextColor(colors.yellow)
        else term.setTextColor(colors.white) end
        write("> ")
        term.setTextColor(colors.white)
        local line = read(nil, commandHis)
        table.insert(commandHis, line)

        local words = {}
        for m in string.gmatch(line, "[^ \t]+") do
            local a = m:gsub("^%s*(.-)%s*$", "%1")
            table.insert(words, a)
        end

        local com = words[1]
        if com == "exit" then break
        elseif com then
            local a = false
            for _, v in pairs(allowed) do if com == v then a = true break end end

            if a then
                term.setBackgroundColor(colors.black)
                term.setTextColor(colors.white)
                shell.run(com, unpack(words, 2))
            else
                term.setTextColor(colors.red)
                print("Program Not Allowed!")
            end
        end
    end
    shell.setDir(oldLoc)
end

local function newServer(onCreate)
    term.setBackgroundColor(colors[theme["background"]])
    for i = 1, 12 do
        term.setCursorPos(3, i + 5)
        term.clearLine()
    end

    term.setBackgroundColor(colors[theme["bottom-box"]])
    term.setCursorPos(1, 7)
    for i = 1, 8 do centerPrint(string.rep(" ", 47)) end
    term.setCursorPos(5, 8)
    write("Name: ")
    local name = modRead({refusePrint = "`", visibleLength = w - 4, textLength = 200})
    term.setCursorPos(5, 10)
    write("URL:")
    term.setCursorPos(8, 11)
    write("rdnt://")
    local url = modRead({grantPrint = "abcdefghijklmnopqrstuvwxyz1234567890-_.+",
        visibleLength = w - 4, textLength = 200})
    url = url:gsub(" ", "")
    if name == "" or url == "" then
        term.setCursorPos(5, 13)
        write("URL or Name is Empty!")
        openAddressBar = false
        sleep(1.3)
        openAddressBar = true
    else
        local c = onCreate(name, url)

        term.setCursorPos(5, 13)
        if c and c == "true" then write("Successfully Created Server!")
        elseif c == "false" or not c then write("Server Creation Failed!")
        else write(c) end
        openAddressBar = false
        sleep(1.3)
        openAddressBar = true
    end
end

pages["server/rdnt"] = function(site)
    manageServers(site, "rdnt", {["reload servers"] = function()
        local servers = {}
        for _, v in pairs(fs.list(serverFolder)) do
            if fs.isDir(serverFolder .. "/" .. v) then table.insert(servers, v) end
        end
        return servers
    end, ["new server"] = function()
        newServer(function(name, url)
            if fs.exists(serverFolder .. "/" .. url) then return "Server Already Exists!" end
            fs.makeDir(serverFolder .. "/" .. url)
            local f = io.open(serverFolder .. "/" .. url .. "/home", "w")
            f:write("print(\"\")\ncenterPrint(\"Welcome To " .. name .. "!\")\n\n")
            f:close()
            return "true"
        end)
    end, ["start"] = function(server)
        term.clear()
        term.setCursorPos(1, 1)
        term.setBackgroundColor(colors.black)
        term.setTextColor(colors.white)
        openAddressBar, offsetclick = false, false
        setfenv(1, oldEnv)
        shell.run(serverLocation, server, serverFolder .. "/" .. server)
        setfenv(1, override)
        openAddressBar, offsetclick = true, true
        checkForModem()
    end, ["edit"] = function(server)
        openAddressBar, offsetclick = false, false
        editPages(serverFolder .. "/" .. server)
        openAddressBar, offsetclick = true, true
        if not fs.exists(serverFolder .. "/" .. server .. "/home") then
            local f = io.open(serverFolder .. "/" .. server .. "/home", "w")
            f:write("print(\"\")\ncenterPrint(\"Welcome To " .. server .. "!\")\n\n")
            f:close()
        end
    end, ["run on boot"] = function(server)
        fs.delete("/old-startup")
        if fs.exists("/startup") then fs.move("/startup", "/old-startup") end
        local f = io.open("/startup", "w")
        f:write("shell.run(\"" .. serverLocation .. "\", \"" .. server .. "\", \"" ..
            serverFolder .. "/" .. server .. "\")")
        f:close()
    end, ["delete"] = function(server)
        fs.delete(serverFolder .. "/" .. server)
    end})
end

pages["server/http"] = function()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    print("\n\n")
    term.setBackgroundColor(colors[theme["top-box"]])
    centerPrint(string.rep(" ", 17))
    centerPrint("  Comming Soon!  ")
    centerPrint(string.rep(" ", 17))
end

pages["server"] = function()
    setfenv(manageServers, override)
    setfenv(newServer, override)
    setfenv(editPages, env)
    if curProtocol == protocols.rdnt then redirect("server/rdnt")
    elseif curProtocol == protocols.http then redirect("server/http") end
end


--  -------- Help

pages["help"] = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    print("")
    leftPrint(string.rep(" ", 16))
    leftPrint(" Firewolf Help  ")
    leftPrint(string.rep(" ", 16))
    print("\n")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    for i = 1, 11 do rightPrint(string.rep(" ", 41)) end
    term.setCursorPos(1, 15)
    rightPrint("         View the full documentation at: ")
    rightPrint("  https://github.com/1lann/Firewolf/wiki ")

    local opt = prompt({{"Getting Started", w - 21, 8}, {"Making a Theme", w - 20, 10},
        {"API Documentation", w - 23, 12}}, "vertical")
    local pages = {}
    if opt == "Getting Started" then
        pages[1] = {title = "Getting Started - Intoduction", content = {
            "Hey there!",
            "",
            "Firewolf is an app that allows you to create",
            "and visit websites! Each site has an address",
            "(the URL) which you can type into the address",
            "bar above, and then visit the site.",
            "",
            "You can open the address bar by clicking on",
            "it, or by pressing control."
        }} pages[2] = {title = "Getting Started - Searching", content = {
            "The address bar can be also be used to",
            "search for sites, by simply typing in the",
            "search term.",
            "",
            "To view all sites, just open it and hit",
            "enter (leave the field blank)."
        }} pages[3] = {title = "Getting Started - Built-In Websites", content = {
            "Firewolf has a set of built-in websites",
            "available for use:",
            "",
            "rdnt://firewolf   Normal hompage",
            "rdnt://sites      Built-In Site",
            "rdnt://server     Create websites",
            "rdnt://help       Help and documentation"
        }} pages[4] = {title = "Getting Started - Built-In Websites", content = {
            "More built-in websites:",
            "",
            "rdnt://settings   Firewolf settings",
            "rdnt://credits    View the credits",
            "rdnt://exit       Exit the app"
        }}
    elseif opt == "Making a Theme" then
        pages[1] = {title = "Making a Theme - Introduction", content = {
            "Firewolf themes are files that tell Firewolf",
            "to color which things what.",
            "Several themes can already be downloaded for",
            "Firewolf from rdnt://settings/themes.",
            "",
            "You can also make your own theme, use it in",
            "your copy of Firewolf.Your theme can also be",
            "submitted it to the themes list!"
        }} pages[2] = {title = "Making a Theme - Example", content = {
            "A theme file consists of several lines of",
            "text. Here is the default theme file:",
            "address-bar-text=white",
            "address-bar-background=gray",
            "address-bar-base=lightGray",
            "top-box=red",
            "bottom-box=orange",
            "background=gray",
            "text-color=white"
        }} pages[3] = {title = "Making a Theme - Explanation", content = {
            "On each line of the example, something is",
            "given a color, like on the last line, the",
            "text of the page is told to be white.",
            "",
            "The color specified after the = is the same",
            "as when you call colors.[color name].",
            "For example, specifying 'red' after the =",
            "colors that object red."
        }} pages[4] = {title = "Making a Theme - Have a Go", content = {
            "Themes can be made at rdnt://settings/themes,",
            "click on 'Change Theme' button, and click on",
            "'New Theme'.",
            "",
            "Enter a theme name, then exit Firewolf and",
            "edit the newly created file",
            "Specify the colors for each of the keys,",
            "and return to the themes section of the",
            "downloads center. Click 'Load Theme'."
        }} pages[5] = {title = "Making a Theme - Submitting", content = {
            "To submit a theme to the theme list,",
            "send GravityScore a message on the CCForums",
            "that contains your theme file and name.",
            "",
            "He will message you back saying whether your",
            "theme has been added, or if anything needs to",
            "be changed before it is added."
        }}
    elseif opt == "API Documentation" then
        pages[1] = {title = "API Documentation - 1", content = {
            "The Firewolf API is a bunch of global",
            "functions that aim to simplify your life when",
            "designing and coding websites.",
            "",
            "For a full documentation on these functions,",
            "visit the Firewolf Wiki Page here:",
            "https://github.com/1lann/Firewolf/wiki"
        }} pages[2] = {title = "API Documentation - 2", content = {
            "centerPrint(string text)",
            "cPrint(string text)",
            "centerWrite(string text)",
            "cWrite(string text)",
            "",
            "leftPrint(string text)",
            "lPrint(string text)",
        }} pages[3] = {title = "API Documentation - 3", content = {
            "leftWrite(string text)",
            "lWrite(string text)",
            "",
            "rightPrint(string text)",
            "rPrint(string text)",
            "rightWrite(string text)",
            "rWrite(string text)"
        }} pages[4] = {title = "API Documentation - 4", content = {
            "prompt(table list, string direction)",
            "scrollingPrompt(table list, integer x,",
            "   integer y, integer length[,",
            "   integer width])",
            "",
            "urlDownload(string url)",
            "pastebinDownload(string code)",
            "redirect(string site)",
        }} pages[5] = {title = "API Documentation - 5", content = {
            "loadImageFromServer(string imagePath)",
            "ioReadFileFromServer(string filePath)",
            "fileFileFromServer(string filePath)",
            "saveFileToUserComputer(string content)",
            "",
            "writeDataFile(string path, string contents)",
            "readDataFile(string path)"
        }} pages[6] = {title = "API Documentation - 6", content = {
            "themeColor(string tag)",
            "themeColour(string tag)"
        }}
    end

    local function drawPage(page)
        term.setBackgroundColor(colors[theme["background"]])
        term.clear()
        term.setCursorPos(1, 1)
        term.setTextColor(colors[theme["text-color"]])
        term.setBackgroundColor(colors[theme["top-box"]])
        print("")
        leftPrint(string.rep(" ", page.title:len() + 3))
        leftPrint(" " .. page.title .. "  ")
        leftPrint(string.rep(" ", page.title:len() + 3))
        print("")

        term.setBackgroundColor(colors[theme["bottom-box"]])
        for i = 1, 12 do print(string.rep(" ", w)) end
        for i, v in ipairs(page.content) do
            term.setCursorPos(4, i + 6)
            write(v)
        end
    end

    local curPage = 1
    local a = {{"Prev", 26, 17}, {"Next", 38, 17}, {"Back",  14, 17}}
    drawPage(pages[curPage])
    while true do
        local b = {a[3]}
        if curPage == 1 then table.insert(b, a[2])
        elseif curPage == #pages then table.insert(b, a[1])
        else table.insert(b, a[1]) table.insert(b, a[2]) end

        local opt = prompt(b, "horizontal")
        if opt == "Prev" then curPage = curPage - 1
        elseif opt == "Next" then curPage = curPage + 1
        elseif opt == "Back" then break end
        drawPage(pages[curPage])
    end

    redirect("help")
end


--  -------- Settings

pages["settings/themes"] = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    print("")
    leftPrint(string.rep(" ", 17))
    leftPrint(" Theme Settings  ")
    leftPrint(string.rep(" ", 17))
    print("")

    if isAdvanced() then
        term.setBackgroundColor(colors[theme["bottom-box"]])
        for i = 1, 12 do rightPrint(string.rep(" ", 36)) end

        local themes = {}
        local themenames = {"Back", "New Theme", "Load Theme"}
        local f = io.open(rootFolder .. "/temp_file", "w")
        f:write(files.availableThemes)
        f:close()
        local f = io.open(rootFolder .. "/temp_file", "r")
        local l = f:read("*l")
        while l do
            l = l:gsub("^%s*(.-)%s*$", "%1")
            local a, b = l:find("| |")
            table.insert(themenames, l:sub(b + 1, -1))
            table.insert(themes, {name = l:sub(b + 1, -1), url = l:sub(1, a - 1)})
            l = f:read("*l")
        end
        f:close()
        fs.delete(rootFolder .. "/temp_file")

        local t = scrollingPrompt(themenames, w - 33, 7, 10, 32)
        if t == "Back" then redirect("settings")
        elseif t == "New Theme" then
            term.setCursorPos(w - 33, 17)
            write("Path: /")
            local n = modRead({visibleLength = w - 2, textLength = 100})
            if n ~= "" and n then
                n = "/" .. n
                local f = io.open(n, "w")
                f:write(files.newTheme)
                f:close()

                term.setCursorPos(1, 17)
                rightWrite(string.rep(" ", 36))
                term.setCursorPos(1, 17)
                rightWrite("File Created! ")
                openAddressBar = false
                sleep(1.1)
                openAddressBar = true
                redirect("settings/themes")
            end
        elseif t == "Load Theme" then
            term.setCursorPos(w - 33, 17)
            write("Path: /")
            local n = modRead({visibleLength = w - 2, textLength = 100})
            if n ~= "" and n then
                n = "/" .. n
                term.setCursorPos(1, 17)
                rightWrite(string.rep(" ", 36))

                term.setCursorPos(1, 17)
                if fs.exists(n) and not fs.isDir(n) then
                    local a = loadTheme(n)
                    if a then
                        fs.delete(themeLocation)
                        fs.copy(n, themeLocation)
                        theme = a
                        rightWrite("Theme File Loaded! :D ")
                    else rightWrite("Theme File is Corrupt! D: ") end
                elseif not fs.exists(n) then rightWrite("File does not exist! ")
                elseif fs.isDir(n) then rightWrite("File is a directory! ") end

                openAddressBar = false
                sleep(1.1)
                openAddressBar = true
                redirect("settings/themes")
            end
        else
            local url = ""
            for _, v in pairs(themes) do if v.name == t then url = v.url break end end
            term.setBackgroundColor(colors[theme["top-box"]])
            term.setCursorPos(1, 3)
            leftWrite(string.rep(" ", 17))
            leftWrite(" Downloading...  ")

            fs.delete(rootFolder .. "/temp_file")
            download(url, rootFolder .. "/temp_file")
            local th = loadTheme(rootFolder .. "/temp_file")
            if not th then
                term.setCursorPos(1, 3)
                leftWrite(string.rep(" ", 17))
                leftWrite(" Theme Corrupt!  ")
                openAddressBar = false
                sleep(1.3)
                openAddressBar = true

                fs.delete(rootFolder .. "/temp_file")
                redirect("settings/themes")
            else
                term.setCursorPos(1, 3)
                leftWrite(string.rep(" ", 17))
                leftWrite(" Theme Loaded!   ")
                openAddressBar = false
                sleep(1.3)
                openAddressBar = true

                fs.delete(themeLocation)
                fs.move(rootFolder .. "/temp_file", themeLocation)
                theme = th
                redirect("home")
            end
        end
    else
        print("")
        rightPrint(string.rep(" ", 30))
        rightPrint("  Themes are not available on ")
        rightPrint("         normal computers! :( ")
        rightPrint(string.rep(" ", 30))
    end
end

pages["settings"] = function()
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    print("")
    leftPrint(string.rep(" ", 17 + serverList[serverID]:len()))
    leftPrint(" Firewolf Settings  " .. string.rep(" ", serverList[serverID]:len() - 3))
    leftPrint(" Designed For: " .. serverList[serverID] .. "  ")
    leftPrint(string.rep(" ", 17 + serverList[serverID]:len()))
    print("\n")

    local a = "Automatic Updating - On"
    if autoupdate == "false" then a = "Automatic Updating - Off" end
    local b = "Home - rdnt://" .. homepage
    if b:len() >= 28 then b = b:sub(1, 24) .. "..." end

    term.setBackgroundColor(colors[theme["bottom-box"]])
    for i = 1, 9 do rightPrint(string.rep(" ", 36)) end
    local c = {{a, w - a:len() - 6, 9}, {"Change Theme", w - 18, 11}, {b, w - b:len() - 6, 13},
        {"Reset Firewolf", w - 20, 15}}
    if not isAdvanced() then
        c = {{a, w - a:len(), 9}, {b, w - b:len(), 11}, {"Reset Firewolf", w - 14, 13}}
    end

    local opt = prompt(c, "vertical")
    if opt == a then
        if autoupdate == "true" then autoupdate = "false"
        elseif autoupdate == "false" then autoupdate = "true" end
    elseif opt == "Change Theme" and isAdvanced() then
        redirect("settings/themes")
    elseif opt == b then
        if isAdvanced() then term.setCursorPos(w - 30, 14)
        else term.setCursorPos(w - 30, 12) end
        write("rdnt://")
        local a = read()
        if a ~= "" then homepage = a end
    elseif opt == "Reset Firewolf" then
        term.setBackgroundColor(colors[theme["background"]])
        term.clear()
        term.setCursorPos(1, 1)
        term.setTextColor(colors[theme["text-color"]])
        term.setBackgroundColor(colors[theme["top-box"]])
        print("")
        leftPrint(string.rep(" ", 17))
        leftPrint(" Reset Firewolf  ")
        leftPrint(string.rep(" ", 17))
        print("\n")
        term.setBackgroundColor(colors[theme["bottom-box"]])
        for i = 1, 11 do rightPrint(string.rep(" ", 26)) end
        local opt = prompt({{"Reset History", w - 19, 8}, {"Reset Servers", w - 19, 9},
            {"Reset Theme", w - 17, 10}, {"Reset Cache", w - 17, 11},
            {"Reset Databases", w - 21, 12},
            {"Reset Settings", w - 20, 13}, {"Back", w - 10, 14}, {"Reset All", w - 15, 16}},
            "vertical")

        openAddressBar = false
        if opt == "Reset All" then
            fs.delete(rootFolder)
        elseif opt == "Reset History" then
            fs.delete(historyLocation)
        elseif opt == "Reset Servers" then
            fs.delete(serverFolder)
            fs.delete(serverLocation)
        elseif opt == "Reset Cache" then
            fs.delete(cacheFolder)
        elseif opt == "Reset Databases" then
            fs.delete(userWhitelist)
            fs.delete(userBlacklist)
        elseif opt == "Reset Settings" then
            fs.delete(settingsLocation)
        elseif opt == "Reset Theme" then
            fs.delete(themeLocation)
        elseif opt == "Back" then
            openAddressBar = true
            redirect("settings")
        end

        term.setBackgroundColor(colors[theme["background"]])
        term.clear()
        term.setCursorPos(1, 1)
        term.setBackgroundColor(colors[theme["top-box"]])
        print("\n\n")
        leftPrint(string.rep(" ", 17))
        leftPrint(" Reset Firewolf  ")
        leftPrint(string.rep(" ", 17))
        print("")

        term.setCursorPos(1, 10)
        term.setBackgroundColor(colors[theme["bottom-box"]])
        rightPrint(string.rep(" ", 27))
        rightPrint("  Firewolf has been reset! ")
        rightWrite(string.rep(" ", 27))
        if isAdvanced() then rightPrint("          Click to exit... ")
        else rightPrint("  Press any key to exit... ") end
        rightPrint(string.rep(" ", 27))

        while true do
            local e = os.pullEvent()
            if e == "mouse_click" or e == "key" then return true end
        end
    end

    -- Save
    local f = io.open(settingsLocation, "w")
    f:write(textutils.serialize({auto = autoupdate, incog = incognito, home = homepage}))
    f:close()

    redirect("settings")
end


--  -------- Credits

pages["credits"] = function()
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["background"]])
    term.clear()
    print("\n")
    term.setBackgroundColor(colors[theme["top-box"]])
    leftPrint(string.rep(" ", 19))
    leftPrint(" Firewolf Credits  ")
    leftPrint(string.rep(" ", 19))
    print("\n")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 38))
    rightPrint("  Coded by:              GravityScore ")
    rightPrint("                            and 1lann ")
    rightPrint(string.rep(" ", 38))
    rightPrint("  Based off:     RednetExplorer 2.4.1 ")
    rightPrint("           Made by ComputerCraftFan11 ")
    rightPrint(string.rep(" ", 38))
end


--  -------- Error Pages

errorPages["overspeed"] = function()
    clear("overspeed", colors[theme["background"]])
    print("")
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    leftPrint(string.rep(" ", 14))
    leftPrint(" Warning! D:  ")
    leftPrint(string.rep(" ", 14))
    print("")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 40))
    rightPrint("  Website browsing sleep limit reached! ")
    rightPrint(string.rep(" ", 40))
    rightPrint("      To prevent Firewolf from spamming ")
    rightPrint("   rednet, Firewolf has stopped loading ")
    rightPrint("                              the page. ")
    for i = 1, 3 do rightPrint(string.rep(" ", 40)) end

    openAddressBar = false
    for i = 1, 5 do
        term.setCursorPos(1, 14)
        rightWrite(string.rep(" ", 43))
        if 6 - i == 1 then rightWrite("                Please wait 1 second... ")
        else rightWrite("                Please wait " .. tostring(6 - i) .. " seconds... ") end
        sleep(1)
    end
    openAddressBar = true

    term.setCursorPos(1, 14)
    rightWrite(string.rep(" ", 43))
    rightWrite("            You may now browse normally ")
end

errorPages["crash"] = function(error)
    clear("crash", colors[theme["background"]])
    print("")
    term.setTextColor(colors[theme["text-color"]])
    term.setBackgroundColor(colors[theme["top-box"]])
    leftPrint(string.rep(" ", 30))
    leftPrint(" The Website Has Crashed! D:  ")
    leftPrint(string.rep(" ", 30))
    print("")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 31))
    rightPrint("      The website has crashed! ")
    rightPrint("  Report this to the operator: ")
    rightPrint(string.rep(" ", 31))
    term.setBackgroundColor(colors[theme["background"]])
    print("")
    print(" " .. tostring(error))
    print("")

    term.setBackgroundColor(colors[theme["bottom-box"]])
    rightPrint(string.rep(" ", 31))
    rightPrint("   You may now browse normally ")
    rightPrint(string.rep(" ", 31))
end


--  -------- External

local function validateexternal(site)
    -- Modem
    if not modemPresent() then return "modem" end

    -- Website
    local id, content, status = curProtocol.getWebsite(site)
    if id and status then return "exists", id, content, status end

    -- Cache
    local cacheLoc = cacheFolder .. "/" .. site:gsub("/", "$slazh$")
    if fs.exists(cacheLoc) and not fs.isDir(cacheLoc) then return "cache" end

    -- Search results
    local res = {}
    if site ~= "" then
        for _, v in pairs(dnsDatabase[1]) do
            if v:find(site:lower(), 1, true) then table.insert(res, v) end
        end
    else for _, v in pairs(dnsDatabase[1]) do table.insert(res, v) end end
    table.sort(res)
    table.sort(res, function(a, b)
        local _, ac = a:gsub("rdnt://", ""):gsub("http://", ""):gsub(site:lower(), "")
        local _, bc = b:gsub("rdnt://", ""):gsub("http://", ""):gsub(site:lower(), "")
        return ac > bc
    end)

    if #res > 0 then return "search", res
    elseif site == "" then return "search", res end

    -- Doesn't exist
    return "false"
end

local function loadexternal(site)
    local a, res, content, status = validateexternal(site)
    local func = nil

    if a == "exists" then
        local cacheLoc = cacheFolder .. "/" .. site:gsub("/", "$slazh$")
        local f = io.open(cacheLoc, "w")
        f:write(content)
        f:close()

        local fn, err = loadfile(cacheLoc)
        if not err then
            setfenv(fn, antivirus)
            if status == "whitelist" then setfenv(fn, override) end

            func = function()
                local _, err = pcall(fn)
                if err then
                    websiteerror = err
                    os.queueEvent(event_error)
                end
            end
        else
            func = function()
                local errf = errorPages["crash"]
                setfenv(errf, override)
                pcall(function() errf(err) end)
            end
        end
    elseif a == "modem" then
        func = function() checkForModem(graphics.nomodem) end
    elseif a == "search" then
        if #res > 0 then
            func = function()
                term.setBackgroundColor(colors[theme["background"]])
                term.clear()
                term.setCursorPos(1, 2)
                term.setTextColor(colors[theme["text-color"]])
                term.setBackgroundColor(colors[theme["top-box"]])
                local t = "1 Search Result"
                if #res > 1 then t = #res .. " Search Results" end
                leftPrint(string.rep(" ", t:len() + 3))
                leftPrint(" " .. t .. "  ")
                leftPrint(string.rep(" ", t:len() + 3))
                print("")

                term.setBackgroundColor(colors[theme["bottom-box"]])
                for i = 1, 12 do rightPrint(string.rep(" ", 42)) end
                local opt = scrollingPrompt(res, w - 39, 7, 10, 38)
                if opt then redirect(opt:gsub("rdnt://", ""):gsub("http://", "")) end
            end
        else
            func = graphics.nosearchresults
        end
    elseif a == "false" or a == "cache" then
        func = graphics.nonexistantwebpage
    end

    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.clear()
    term.setCursorPos(1, 1)

    local a = override
    a["browserAgent"] = browserAgent
    setfenv(func, a)
    curtext, curbackground = colors.white, colors.black
    tabs[currentTab] = coroutine.create(func)
end


--  -------- Website

local function loadinternal(site)
    if pages[site] then
        local func = pages[site]
        setfenv(func, override)
        tabs[currentTab] = coroutine.create(function()
            local _, err = pcall(function() func() end)
            if err then
                websiteerror = err
                os.queueEvent(event_error)
            end
        end)

        return true
    else return false end
end

local function loadsite(site)
    w, h = term.getSize()
    clear(site)
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    fs.delete(websiteDataFolder)
    fs.makeDir(websiteDataFolder)

    if site ~= "exit" and site ~= addressBarHistory[#addressBarHistory] then
        table.insert(addressBarHistory, site)
    end

    checkForModem()
    if os.clock() - loadingClock > 5 then loadingRate, loadingClock = 0, os.clock() end
    if loadingRate >= 8 then
        local overspeedFunc = errorPages["overspeed"]
        setfenv(overspeedFunc, override)
        overspeedFunc()
        loadingRate, loadingClock = 0, os.clock()
    end

    -- Load
    os.queueEvent(event_load)
    website = site
    setfenv(loadinternal, override)
    setfenv(loadexternal, override)
    if not loadinternal(site) then loadexternal(site) end
    if tabs[currentTab] then _, filters[currentTab] = coroutine.resume(tabs[currentTab]) end
end


--  -------- Address Bar

local function addressbarread()
    local len, list = 4, {}

    local function draw(l)
        local ox, oy = term.getCursorPos()
        for i = 1, len do
            term.setTextColor(colors[theme["address-bar-text"]])
            term.setBackgroundColor(colors[theme["address-bar-background"]])
            term.setCursorPos(1, i + 1)
            write(string.rep(" ", w))
        end

        term.setBackgroundColor(colors[theme["address-bar-base"] or theme["bottom-box"]])
        term.setCursorPos(1, len + 2)
        write(string.rep(" ", w))
        term.setBackgroundColor(colors[theme["address-bar-background"]])
        for i, v in ipairs(l) do term.setCursorPos(2, i + 1) write(v) end
        term.setCursorPos(ox, oy)
    end

    local function update(line, event, ...)
        local params = {...}
        local y = params[3]
        if event == "char" or event == "history" or event == "delete" then
            list = {}
            for _, v in pairs(dnsDatabase[1]) do
                if #list < len and
                        v:gsub("rdnt://", ""):gsub("http://", ""):find(line:lower(), 1, true) then
                    table.insert(list, v)
                end
            end

            table.sort(list)
            table.sort(list, function(a, b)
                local _, ac = a:gsub("rdnt://", ""):gsub("http://", ""):gsub(line:lower(), "")
                local _, bc = b:gsub("rdnt://", ""):gsub("http://", ""):gsub(line:lower(), "")
                return ac > bc
            end)
            draw(list)
            return false
        elseif event == "mouse_click" then
            for i = 1, #list do
                if y == i + 1 then return true, list[i]:gsub("rdnt://", ""):gsub("http://", "") end
            end
        end
    end

    if isAdvanced() and modemPresent() then
        return modRead({history = addressBarHistory, visibleLength = w - 2, textLength = 300,
            liveUpdates = update, exitOnKey = "control"})
    else
        return modRead({history = addressBarHistory, visibleLength = w - 2, textLength = 300,
            exitOnKey = "control"})
    end
end


--  -------- Main

local function searchresults()
    if modemPresent() then curProtocol.getSearchResults() end
    local lastCheck = os.clock()
    while true do
        local e = os.pullEvent()
        if e == event_load and modemPresent() and os.clock() - lastCheck > 5 then
            curProtocol.getSearchResults()
            lastCheck = os.clock()
        end
    end
end

local function run()
    loadingClock = os.clock()
    loadsite(homepage)
    while true do
        local e, but, x, y, p4, p5 = os.pullEvent()
        if ((e == "mouse_click" and y == 1 and clickableAddressBar) or
                (e == "key" and (but == 29 or but == 157))) and openAddressBar then
            if e == "key" then x = -1 end
            if not menuBarOpen and x == w then
                -- Open menu bar
                menuBarOpen = true
                term.setBackgroundColor(colors[theme["top-box"]])
                term.setTextColor(colors[theme["address-bar-text"]])
                term.setCursorPos(1, 1)
                write("> [- Exit Firewolf -]                              ")
            elseif menuBarOpen and (x == 1 or (but == 29 or but == 157)) then
                -- Close menu bar
                menuBarOpen = false
                clear(website, nil, true)
            elseif menuBarOpen and x > 2 and x < 22 then
                return
            elseif not menuBarOpen then
                -- Stop
                if tabs[currentTab] then tabs[currentTab] = nil end

                -- Clear
                term.setBackgroundColor(colors[theme["address-bar-background"]])
                term.setTextColor(colors[theme["address-bar-text"]])
                term.setCursorPos(2, 1)
                term.clearLine()
                if curProtocol == protocols.rdnt then write("rdnt://")
                elseif curProtocol == protocols.http then write("http://") end

                -- Read
                local osite = website
                local site = addressbarread()
                if not site then site = osite
                elseif site == "home" or site == "homepage" then site = homepage
                elseif site == "exit" then return end

                -- Load
                loadsite(site)
            end
        elseif e == event_error and websiteerror then
            -- Display
            if tabs[currentTab] then tabs[currentTab] = nil end

            local errf = errorPages["crash"]
            setfenv(errf, override)
            errf(websiteerror)
            websiteerror = nil
        elseif e == event_redirect and openAddressBar then
            -- Stop
            if tabs[currentTab] then tabs[currentTab] = nil end

            -- Load
            if not but or but == "exit" then but = website
            elseif but == "home" or but == "homepage" then but = homepage end
            loadsite(but)
        elseif tabs[currentTab] then
            if coroutine.status(tabs[currentTab]) == "suspended" then
                if e == "mouse_click" and offsetclick then y = y - 1 end
                if (filters[currentTab] or e) == e then
                    _, filters[currentTab] = coroutine.resume(tabs[currentTab], e, but, x, y,
                        p4, p5)
                end
            end

            for i = 1, #tabs do
                if tabs[i] and coroutine.status(tabs[i]) == "dead" then
                    tabs[i] = nil
                end
            end
        end
    end
end


--  -------- Startup

local function main()
    -- Logo
    term.setBackgroundColor(colors[theme["background"]])
    term.setTextColor(colors[theme["text-color"]])
    term.clear()
    term.setCursorPos(1, 2)
    term.setBackgroundColor(colors[theme["top-box"]])
    leftPrint(string.rep(" ", 47))
    leftPrint([[          ______ ____ ____   ______            ]])
    leftPrint([[ ------- / ____//  _// __ \ / ____/            ]])
    leftPrint([[ ------ / /_    / / / /_/ // __/               ]])
    leftPrint([[ ----- / __/  _/ / / _  _// /___               ]])
    leftPrint([[ ---- / /    /___//_/ |_|/_____/               ]])
    leftPrint([[ --- / /       _       __ ____   __     ______ ]])
    leftPrint([[ -- /_/       | |     / // __ \ / /    / ____/ ]])
    leftPrint([[              | | /| / // / / // /    / /_     ]])
    leftPrint([[              | |/ |/ // /_/ // /___ / __/     ]])
    leftPrint([[              |__/|__/ \____//_____//_/        ]])
    leftPrint(string.rep(" ", 47))
    print("\n")
    term.setBackgroundColor(colors[theme["bottom-box"]])

    -- Load Settings
    if fs.exists(settingsLocation) and not fs.isDir(settingsLocation) then
        local f = io.open(settingsLocation, "r")
        local a = textutils.unserialize(f:read("*l"))
        if type(a) == "table" then autoupdate, incognito, homepage = a.auto, a.incog, a.home end
        f:close()
    else autoupdate, incognito, homepage = "true", "false", "firewolf" end
    curProtocol = protocols.rdnt

    -- Update
    rightPrint(string.rep(" ", 32))
    rightPrint("        Checking for Updates... ")
    rightPrint(string.rep(" ", 32))
    setfenv(updateClient, env)
    if not noInternet then
        if updateClient() then
            if debugFile then debugFile:close() end
            shell.run(firewolfLocation)
            error()
        end
    end

    -- Download Files
    local x, y = term.getCursorPos()
    term.setCursorPos(1, y - 2)
    rightWrite(string.rep(" ", 32))
    rightWrite("  Downloading Required Files... ")
    if not noInternet then resetFilesystem() end
    loadDatabases()
    checkForModem()

    -- Run
    setfenv(run, env)
    parallel.waitForAny(run, searchresults)
end

local function startup()
    -- HTTP
    if not http and not noInternet then
        term.setTextColor(colors[theme["text-color"]])
        term.setBackgroundColor(colors[theme["background"]])
        term.clear()
        term.setCursorPos(1, 2)
        term.setBackgroundColor(colors[theme["top-box"]])
        api.leftPrint(string.rep(" ", 24))
        api.leftPrint(" HTTP API Not Enabled!  ")
        api.leftPrint(string.rep(" ", 24))
        print("")

        term.setBackgroundColor(colors[theme["bottom-box"]])
        api.rightPrint(string.rep(" ", 36))
        api.rightPrint("  Firewolf is unable to run without ")
        api.rightPrint("       the HTTP API Enabled! Please ")
        api.rightPrint("    enable it in your ComputerCraft ")
        api.rightPrint("                            Config! ")
        api.rightPrint(string.rep(" ", 36))

        if isAdvanced() then api.rightPrint("                   Click to exit... ")
        else api.rightPrint("           Press any key to exit... ") end
        api.rightPrint(string.rep(" ", 36))

        while true do
            local e, but, x, y = os.pullEvent()
            if e == "mouse_click" or e == "key" then break end
        end

        return false
    end

    -- Turtle
    if turtle then
        term.clear()
        term.setCursorPos(1, 2)
        api.centerPrint("Advanced computer Required!")
        print("\n")
        api.centerPrint("  This version of Firewolf requires  ")
        api.centerPrint("  an Advanced computer to run!       ")
        print("")
        api.centerPrint("  Turtles may not be used to run     ")
        api.centerPrint("  Firewolf! :(                       ")
        print("")
        api.centerPrint("Press any key to exit...")

        os.pullEvent("key")
        return false
    end

    -- Run
    setfenv(main, env)
    local _, err = pcall(main)
    if err and not err:lower():find("terminated") then
        term.setTextColor(colors[theme["text-color"]])
        term.setBackgroundColor(colors[theme["background"]])
        term.clear()
        term.setCursorPos(1, 2)
        term.setCursorBlink(false)
        term.setBackgroundColor(colors[theme["top-box"]])
        api.leftPrint(string.rep(" ", 27))
        api.leftPrint(" Firewolf has Crashed! D:  ")
        api.leftPrint(string.rep(" ", 27))
        print("")
        term.setBackgroundColor(colors[theme["background"]])
        print("")
        print("  " .. err)
        print("")

        term.setBackgroundColor(colors[theme["bottom-box"]])
        api.rightPrint(string.rep(" ", 41))
        if autoupdate == "true" then
            api.rightPrint("    Please report this error to 1lann or ")
            api.rightPrint("  GravityScore so we are able to fix it! ")
            api.rightPrint("  If this problem persists, try deleting ")
            api.rightPrint("                         " .. rootFolder .. " ")
        else
            api.rightPrint("        Automatic updating is off! A new ")
            api.rightPrint("     version may have have been released ")
            api.rightPrint("                that may fix this error! ")
            api.rightPrint("        If you didn't turn auto updating ")
            api.rightPrint("             off, delete " .. rootFolder .. " ")
        end

        api.rightPrint(string.rep(" ", 41))
        if isAdvanced() then api.rightPrint("                        Click to exit... ")
        else api.rightPrint("                Press any key to exit... ") end
        api.rightPrint(string.rep(" ", 41))

        while true do
            local e, but, x, y = os.pullEvent()
            if e == "mouse_click" or e == "key" then break end
        end

        return false
    end
end

-- Check If Read Only
if fs.isReadOnly(firewolfLocation) or fs.isReadOnly(rootFolder) then
    print("Firewolf cannot modify itself or its root folder!")
    print("")
    print("This cold be caused by Firewolf being placed in")
    print("the rom folder, or another program may be")
    print("preventing the modification of Firewolf.")
    error()
end

-- Theme
if not isAdvanced() then theme = originalTheme
else theme = loadTheme(themeLocation) or defaultTheme end

-- Debug File
if #tArgs > 0 and tArgs[1] == "debug" then
    print("Debug Mode Enabled")
    if fs.exists(debugLogLocation) then debugFile = io.open(debugLogLocation, "a")
    else debugFile = io.open(debugLogLocation, "w") end
    debugFile:write("\n-- [" .. textutils.formatTime(os.time()) .. "] New Log --")
    sleep(1)
end

-- Start
startup()

-- Exit Message
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.setCursorBlink(false)
term.clear()
term.setCursorPos(1, 1)
api.centerPrint("Thank You for Using Firewolf " .. version)
api.centerPrint("Made by 1lann and GravityScore")

-- Close
for _, v in pairs(rs.getSides()) do
    if peripheral.getType(v) == "modem" then rednet.close(v) end
end
if debugFile then debugFile:close() end