gosora/common/parser.go
Azareal 60964868d4 Moved the counters to their own package.
De-duped some of the logging code.
Added per-route state to the not found errors.
Exported debugDetail, debugDetailf, debugLog, and debugLogf.
Tweaked the padding on Tempra Simple.
Added panel submenus to Tempra Conflux.
Added Chart CSS to Tempra Conflux.
Fixed the padding and margins for the Control Panel in Cosora.
Made Cosora's Control Panel a little more tablet friendly.
Added the rowmsg CSS class to better style message rows.
Removed the repetitive guard code for the pre-render hooks.
Removed the repetitive guard code for the string-string hooks.
We now capture views for routes.StaticFile
Added the move action to the moderation logs.

Added the viewchunks_forums table.
Began work on Per-forum Views.
I probably missed a few things in this changelog.
2018-02-19 04:26:01 +00:00

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package common
import (
//"fmt"
"bytes"
"html"
"net/url"
"regexp"
"strconv"
"strings"
)
var SpaceGap = []byte(" ")
var httpProtBytes = []byte("http://")
var InvalidURL = []byte("<span style='color: red;'>[Invalid URL]</span>")
var InvalidTopic = []byte("<span style='color: red;'>[Invalid Topic]</span>")
var InvalidProfile = []byte("<span style='color: red;'>[Invalid Profile]</span>")
var InvalidForum = []byte("<span style='color: red;'>[Invalid Forum]</span>")
var unknownMedia = []byte("<span style='color: red;'>[Unknown Media]</span>")
var UrlOpen = []byte("<a href='")
var UrlOpen2 = []byte("'>")
var bytesSinglequote = []byte("'")
var bytesGreaterthan = []byte(">")
var urlMention = []byte(" class='mention'")
var UrlClose = []byte("</a>")
var imageOpen = []byte("<a href=\"")
var imageOpen2 = []byte("\"><img src='")
var imageClose = []byte("' class='postImage' /></a>")
var urlPattern = `(?s)([ {1}])((http|https|ftp|mailto)*)(:{??)\/\/([\.a-zA-Z\/]+)([ {1}])`
var urlReg *regexp.Regexp
func init() {
urlReg = regexp.MustCompile(urlPattern)
}
// TODO: Write a test for this
func shortcodeToUnicode(msg string) string {
//re := regexp.MustCompile(":(.):")
msg = strings.Replace(msg, ":grinning:", "😀", -1)
msg = strings.Replace(msg, ":grin:", "😁", -1)
msg = strings.Replace(msg, ":joy:", "😂", -1)
msg = strings.Replace(msg, ":rofl:", "🤣", -1)
msg = strings.Replace(msg, ":smiley:", "😃", -1)
msg = strings.Replace(msg, ":smile:", "😄", -1)
msg = strings.Replace(msg, ":sweat_smile:", "😅", -1)
msg = strings.Replace(msg, ":laughing:", "😆", -1)
msg = strings.Replace(msg, ":satisfied:", "😆", -1)
msg = strings.Replace(msg, ":wink:", "😉", -1)
msg = strings.Replace(msg, ":blush:", "😊", -1)
msg = strings.Replace(msg, ":yum:", "😋", -1)
msg = strings.Replace(msg, ":sunglasses:", "😎", -1)
msg = strings.Replace(msg, ":heart_eyes:", "😍", -1)
msg = strings.Replace(msg, ":kissing_heart:", "😘", -1)
msg = strings.Replace(msg, ":kissing:", "😗", -1)
msg = strings.Replace(msg, ":kissing_smiling_eyes:", "😙", -1)
msg = strings.Replace(msg, ":kissing_closed_eyes:", "😚", -1)
msg = strings.Replace(msg, ":relaxed:", "☺️", -1)
msg = strings.Replace(msg, ":slight_smile:", "🙂", -1)
msg = strings.Replace(msg, ":hugging:", "🤗", -1)
msg = strings.Replace(msg, ":thinking:", "🤔", -1)
msg = strings.Replace(msg, ":neutral_face:", "😐", -1)
msg = strings.Replace(msg, ":expressionless:", "😑", -1)
msg = strings.Replace(msg, ":no_mouth:", "😶", -1)
msg = strings.Replace(msg, ":rolling_eyes:", "🙄", -1)
msg = strings.Replace(msg, ":smirk:", "😏", -1)
msg = strings.Replace(msg, ":persevere:", "😣", -1)
msg = strings.Replace(msg, ":disappointed_relieved:", "😥", -1)
msg = strings.Replace(msg, ":open_mouth:", "😮", -1)
msg = strings.Replace(msg, ":zipper_mouth:", "🤐", -1)
msg = strings.Replace(msg, ":hushed:", "😯", -1)
msg = strings.Replace(msg, ":sleepy:", "😪", -1)
msg = strings.Replace(msg, ":tired_face:", "😫", -1)
msg = strings.Replace(msg, ":sleeping:", "😴", -1)
msg = strings.Replace(msg, ":relieved:", "😌", -1)
msg = strings.Replace(msg, ":nerd:", "🤓", -1)
msg = strings.Replace(msg, ":stuck_out_tongue:", "😛", -1)
msg = strings.Replace(msg, ":worried:", "😟", -1)
msg = strings.Replace(msg, ":drooling_face:", "🤤", -1)
msg = strings.Replace(msg, ":disappointed:", "😞", -1)
msg = strings.Replace(msg, ":astonished:", "😲", -1)
msg = strings.Replace(msg, ":slight_frown:", "🙁", -1)
msg = strings.Replace(msg, ":skull_crossbones:", "☠️", -1)
msg = strings.Replace(msg, ":skull:", "💀", -1)
msg = strings.Replace(msg, ":point_up:", "☝️", -1)
msg = strings.Replace(msg, ":v:", "✌️️", -1)
msg = strings.Replace(msg, ":writing_hand:", "✍️", -1)
msg = strings.Replace(msg, ":heart:", "❤️️", -1)
msg = strings.Replace(msg, ":heart_exclamation:", "❣️", -1)
msg = strings.Replace(msg, ":hotsprings:", "♨️", -1)
msg = strings.Replace(msg, ":airplane:", "✈️️", -1)
msg = strings.Replace(msg, ":hourglass:", "⌛", -1)
msg = strings.Replace(msg, ":watch:", "⌚", -1)
msg = strings.Replace(msg, ":comet:", "☄️", -1)
msg = strings.Replace(msg, ":snowflake:", "❄️", -1)
msg = strings.Replace(msg, ":cloud:", "☁️", -1)
msg = strings.Replace(msg, ":sunny:", "☀️", -1)
msg = strings.Replace(msg, ":spades:", "♠️", -1)
msg = strings.Replace(msg, ":hearts:", "♥️️", -1)
msg = strings.Replace(msg, ":diamonds:", "♦️", -1)
msg = strings.Replace(msg, ":clubs:", "♣️", -1)
msg = strings.Replace(msg, ":phone:", "☎️", -1)
msg = strings.Replace(msg, ":telephone:", "☎️", -1)
msg = strings.Replace(msg, ":biohazard:", "☣️", -1)
msg = strings.Replace(msg, ":radioactive:", "☢️", -1)
msg = strings.Replace(msg, ":scissors:", "✂️", -1)
msg = strings.Replace(msg, ":arrow_upper_right:", "↗️", -1)
msg = strings.Replace(msg, ":arrow_right:", "➡️", -1)
msg = strings.Replace(msg, ":arrow_lower_right:", "↘️", -1)
msg = strings.Replace(msg, ":arrow_lower_left:", "↙️", -1)
msg = strings.Replace(msg, ":arrow_upper_left:", "↖️", -1)
msg = strings.Replace(msg, ":arrow_up_down:", "↕️", -1)
msg = strings.Replace(msg, ":left_right_arrow:", "↔️", -1)
msg = strings.Replace(msg, ":leftwards_arrow_with_hook:", "↩️", -1)
msg = strings.Replace(msg, ":arrow_right_hook:", "↪️", -1)
msg = strings.Replace(msg, ":arrow_forward:", "▶️", -1)
msg = strings.Replace(msg, ":arrow_backward:", "◀️", -1)
msg = strings.Replace(msg, ":female:", "♀️", -1)
msg = strings.Replace(msg, ":male:", "♂️", -1)
msg = strings.Replace(msg, ":ballot_box_with_check:", "☑️", -1)
msg = strings.Replace(msg, ":heavy_check_mark:", "✔️️", -1)
msg = strings.Replace(msg, ":heavy_multiplication_x:", "✖️", -1)
msg = strings.Replace(msg, ":pisces:", "♓", -1)
msg = strings.Replace(msg, ":aquarius:", "♒", -1)
msg = strings.Replace(msg, ":capricorn:", "♑", -1)
msg = strings.Replace(msg, ":sagittarius:", "♐", -1)
msg = strings.Replace(msg, ":scorpius:", "♏", -1)
msg = strings.Replace(msg, ":libra:", "♎", -1)
msg = strings.Replace(msg, ":virgo:", "♍", -1)
msg = strings.Replace(msg, ":leo:", "♌", -1)
msg = strings.Replace(msg, ":cancer:", "♋", -1)
msg = strings.Replace(msg, ":gemini:", "♊", -1)
msg = strings.Replace(msg, ":taurus:", "♉", -1)
msg = strings.Replace(msg, ":aries:", "♈", -1)
msg = strings.Replace(msg, ":peace:", "☮️", -1)
msg = strings.Replace(msg, ":eight_spoked_asterisk:", "✳️", -1)
msg = strings.Replace(msg, ":eight_pointed_black_star:", "✴️", -1)
msg = strings.Replace(msg, ":snowman2:", "☃️", -1)
msg = strings.Replace(msg, ":umbrella2:", "☂️", -1)
msg = strings.Replace(msg, ":pencil2:", "✏️", -1)
msg = strings.Replace(msg, ":black_nib:", "✒️", -1)
msg = strings.Replace(msg, ":email:", "✉️", -1)
msg = strings.Replace(msg, ":envelope:", "✉️", -1)
msg = strings.Replace(msg, ":keyboard:", "⌨️", -1)
msg = strings.Replace(msg, ":white_small_square:", "▫️", -1)
msg = strings.Replace(msg, ":black_small_square:", "▪️", -1)
msg = strings.Replace(msg, ":secret:", "㊙️", -1)
msg = strings.Replace(msg, ":congratulations:", "㊗️", -1)
msg = strings.Replace(msg, ":m:", "Ⓜ️", -1)
msg = strings.Replace(msg, ":tm:", "™️️", -1)
msg = strings.Replace(msg, ":registered:", "®️", -1)
msg = strings.Replace(msg, ":copyright:", "©️", -1)
msg = strings.Replace(msg, ":wavy_dash:", "〰️", -1)
msg = strings.Replace(msg, ":bangbang:", "‼️", -1)
msg = strings.Replace(msg, ":sparkle:", "❇️", -1)
msg = strings.Replace(msg, ":star_of_david:", "✡️", -1)
msg = strings.Replace(msg, ":wheel_of_dharma:", "☸️", -1)
msg = strings.Replace(msg, ":yin_yang:", "☯️", -1)
msg = strings.Replace(msg, ":cross:", "✝️", -1)
msg = strings.Replace(msg, ":orthodox_cross:", "☦️", -1)
msg = strings.Replace(msg, ":star_and_crescent:", "☪️", -1)
msg = strings.Replace(msg, ":frowning2:", "☹️", -1)
msg = strings.Replace(msg, ":information_source:", "", -1)
msg = strings.Replace(msg, ":interrobang:", "⁉️", -1)
return msg
}
// TODO: Write tests for this
// TODO: Preparse Markdown and normalize it into HTML?
func PreparseMessage(msg string) string {
msg = strings.Replace(msg, "<p><br>", "\n\n", -1)
msg = strings.Replace(msg, "<p>", "\n\n", -1)
msg = strings.Replace(msg, "</p>", "", -1)
msg = strings.Replace(msg, "<br>", "\n\n", -1)
msg = strings.TrimSpace(msg) // There are a few useful cases for having spaces, but I'd like to stop the WYSIWYG from inserting random lines here and there
msg = RunSshook("preparse_preassign", msg)
msg = html.EscapeString(msg)
msg = strings.Replace(msg, "&nbsp;", "", -1)
var runes = []rune(msg)
msg = ""
var inBold = false
var inItalic = false
var inStrike = false
var inUnderline = false
var stepForward = func(i int, step int, runes []rune) int {
i += step
if i < len(runes) {
return i
}
return i - step
}
for i := 0; i < len(runes); i++ {
char := runes[i]
if char == '&' && peek(i, 1, runes) == 'l' && peek(i, 2, runes) == 't' && peek(i, 3, runes) == ';' {
i = stepForward(i, 4, runes)
char := runes[i]
if char == '/' {
i = stepForward(i, 1, runes)
char := runes[i]
if inItalic && char == 'e' && peekMatch(i, "m&gt;", runes) {
i += 5
inItalic = false
msg += "</em>"
} else if inBold && char == 's' && peekMatch(i, "trong&gt;", runes) {
i += 9
inBold = false
msg += "</strong>"
} else if inStrike && char == 'd' && peekMatch(i, "el&gt;", runes) {
i += 6
inStrike = false
msg += "</del>"
} else if inUnderline && char == 'u' && peekMatch(i, "&gt;", runes) {
i += 4
inUnderline = false
msg += "</u>"
}
} else if !inItalic && char == 'e' && peekMatch(i, "m&gt;", runes) {
i += 5
inItalic = true
msg += "<em>"
} else if !inBold && char == 's' && peekMatch(i, "trong&gt;", runes) {
i += 9
inBold = true
msg += "<strong>"
} else if !inStrike && char == 'd' && peekMatch(i, "el&gt;", runes) {
i += 6
inStrike = true
msg += "<del>"
} else if !inUnderline && char == 'u' && peekMatch(i, "&gt;", runes) {
i += 4
inUnderline = true
msg += "<u>"
}
} else {
msg += string(char)
}
}
if inItalic {
msg += "</em>"
}
if inBold {
msg += "</strong>"
}
if inStrike {
msg += "</del>"
}
if inUnderline {
msg += "</u>"
}
return shortcodeToUnicode(msg)
}
// TODO: Test this
// TODO: Use this elsewhere in the parser?
func peek(cur int, skip int, runes []rune) rune {
if (cur + skip) < len(runes) {
return runes[cur+skip]
}
return 0 // null byte
}
// TODO: Test this
func peekMatch(cur int, phrase string, runes []rune) bool {
if cur+len(phrase) > len(runes) {
return false
}
for i, char := range phrase {
if runes[cur+i+1] != char {
return false
}
}
return true
}
// TODO: Write a test for this
// TODO: We need a lot more hooks here. E.g. To add custom media types and handlers.
func ParseMessage(msg string, sectionID int, sectionType string /*, user User*/) string {
msg = strings.Replace(msg, ":)", "😀", -1)
msg = strings.Replace(msg, ":(", "😞", -1)
msg = strings.Replace(msg, ":D", "😃", -1)
msg = strings.Replace(msg, ":P", "😛", -1)
msg = strings.Replace(msg, ":O", "😲", -1)
msg = strings.Replace(msg, ":p", "😛", -1)
msg = strings.Replace(msg, ":o", "😲", -1)
msg = strings.Replace(msg, ";)", "😉", -1)
//msg = url_reg.ReplaceAllString(msg,"<a href=\"$2$3//$4\" rel=\"nofollow\">$2$3//$4</a>")
// Word filter list. E.g. Swear words and other things the admins don't like
wordFilters := WordFilterBox.Load().(WordFilterMap)
for _, filter := range wordFilters {
msg = strings.Replace(msg, filter.Find, filter.Replacement, -1)
}
// Search for URLs, mentions and hashlinks in the messages...
//log.Print("Parser Loop!")
var msgbytes = []byte(msg)
var outbytes []byte
msgbytes = append(msgbytes, SpaceGap...)
//log.Printf("string(msgbytes) %+v\n", `"`+string(msgbytes)+`"`)
var lastItem = 0
var i = 0
for ; len(msgbytes) > (i + 1); i++ {
//log.Print("Index: ",i)
//log.Print("Index Item: ",msgbytes[i])
//log.Print("string(msgbytes[i]): ",string(msgbytes[i]))
//log.Print("End Index")
if (i == 0 && (msgbytes[0] > 32)) || ((msgbytes[i] < 33) && (msgbytes[i+1] > 32)) {
//log.Print("IN ",msgbytes[i])
if (i != 0) || msgbytes[i] < 33 {
i++
}
if msgbytes[i] == '#' {
//log.Print("IN #")
if bytes.Equal(msgbytes[i+1:i+5], []byte("tid-")) {
outbytes = append(outbytes, msgbytes[lastItem:i]...)
i += 5
start := i
tid, intLen := CoerceIntBytes(msgbytes[start:])
i += intLen
topic, err := Topics.Get(tid)
if err != nil || !Forums.Exists(topic.ParentID) {
outbytes = append(outbytes, InvalidTopic...)
lastItem = i
continue
}
outbytes = append(outbytes, UrlOpen...)
var urlBit = []byte(BuildTopicURL("", tid))
outbytes = append(outbytes, urlBit...)
outbytes = append(outbytes, UrlOpen2...)
var tidBit = []byte("#tid-" + strconv.Itoa(tid))
outbytes = append(outbytes, tidBit...)
outbytes = append(outbytes, UrlClose...)
lastItem = i
//log.Print("string(msgbytes): ",string(msgbytes))
//log.Print("msgbytes: ",msgbytes)
//log.Print("msgbytes[lastItem - 1]: ",msgbytes[lastItem - 1])
//log.Print("lastItem - 1: ",lastItem - 1)
//log.Print("msgbytes[lastItem]: ",msgbytes[lastItem])
//log.Print("lastItem: ",lastItem)
} else if bytes.Equal(msgbytes[i+1:i+5], []byte("rid-")) {
outbytes = append(outbytes, msgbytes[lastItem:i]...)
i += 5
start := i
rid, intLen := CoerceIntBytes(msgbytes[start:])
i += intLen
topic, err := TopicByReplyID(rid)
if err != nil || !Forums.Exists(topic.ParentID) {
outbytes = append(outbytes, InvalidTopic...)
lastItem = i
continue
}
outbytes = append(outbytes, UrlOpen...)
var urlBit = []byte(BuildTopicURL("", topic.ID))
outbytes = append(outbytes, urlBit...)
outbytes = append(outbytes, UrlOpen2...)
var ridBit = []byte("#rid-" + strconv.Itoa(rid))
outbytes = append(outbytes, ridBit...)
outbytes = append(outbytes, UrlClose...)
lastItem = i
} else if bytes.Equal(msgbytes[i+1:i+5], []byte("fid-")) {
outbytes = append(outbytes, msgbytes[lastItem:i]...)
i += 5
start := i
fid, intLen := CoerceIntBytes(msgbytes[start:])
i += intLen
if !Forums.Exists(fid) {
outbytes = append(outbytes, InvalidForum...)
lastItem = i
continue
}
outbytes = append(outbytes, UrlOpen...)
var urlBit = []byte(BuildForumURL("", fid))
outbytes = append(outbytes, urlBit...)
outbytes = append(outbytes, UrlOpen2...)
var fidBit = []byte("#fid-" + strconv.Itoa(fid))
outbytes = append(outbytes, fidBit...)
outbytes = append(outbytes, UrlClose...)
lastItem = i
} else {
// TODO: Forum Shortcode Link
}
} else if msgbytes[i] == '@' {
//log.Print("IN @")
outbytes = append(outbytes, msgbytes[lastItem:i]...)
i++
start := i
uid, intLen := CoerceIntBytes(msgbytes[start:])
i += intLen
menUser, err := Users.Get(uid)
if err != nil {
outbytes = append(outbytes, InvalidProfile...)
lastItem = i
continue
}
outbytes = append(outbytes, UrlOpen...)
var urlBit = []byte(menUser.Link)
outbytes = append(outbytes, urlBit...)
outbytes = append(outbytes, bytesSinglequote...)
outbytes = append(outbytes, urlMention...)
outbytes = append(outbytes, bytesGreaterthan...)
var uidBit = []byte("@" + menUser.Name)
outbytes = append(outbytes, uidBit...)
outbytes = append(outbytes, UrlClose...)
lastItem = i
} else if msgbytes[i] == 'h' || msgbytes[i] == 'f' || msgbytes[i] == 'g' {
//log.Print("IN hfg")
if msgbytes[i+1] == 't' && msgbytes[i+2] == 't' && msgbytes[i+3] == 'p' {
if msgbytes[i+4] == 's' && msgbytes[i+5] == ':' && msgbytes[i+6] == '/' && msgbytes[i+7] == '/' {
// Do nothing
} else if msgbytes[i+4] == ':' && msgbytes[i+5] == '/' && msgbytes[i+6] == '/' {
// Do nothing
} else {
continue
}
} else if msgbytes[i+1] == 't' && msgbytes[i+2] == 'p' && msgbytes[i+3] == ':' && msgbytes[i+4] == '/' && msgbytes[i+5] == '/' {
// Do nothing
} else if msgbytes[i+1] == 'i' && msgbytes[i+2] == 't' && msgbytes[i+3] == ':' && msgbytes[i+4] == '/' && msgbytes[i+5] == '/' {
// Do nothing
} else {
continue
}
//log.Print("Normal URL")
outbytes = append(outbytes, msgbytes[lastItem:i]...)
urlLen := PartialURLBytesLen(msgbytes[i:])
if msgbytes[i+urlLen] > 32 { // space and invisibles
//log.Print("INVALID URL")
//log.Print("msgbytes[i+urlLen]: ", msgbytes[i+urlLen])
//log.Print("string(msgbytes[i+urlLen]): ", string(msgbytes[i+urlLen]))
//log.Print("msgbytes[i:i+urlLen]: ", msgbytes[i:i+urlLen])
//log.Print("string(msgbytes[i:i+urlLen]): ", string(msgbytes[i:i+urlLen]))
outbytes = append(outbytes, InvalidURL...)
i += urlLen
continue
}
media, ok := parseMediaBytes(msgbytes[i : i+urlLen])
if !ok {
outbytes = append(outbytes, InvalidURL...)
i += urlLen
continue
}
if media.Type == "attach" {
outbytes = append(outbytes, imageOpen...)
outbytes = append(outbytes, []byte(media.URL+"?sectionID="+strconv.Itoa(sectionID)+"&sectionType="+sectionType)...)
outbytes = append(outbytes, imageOpen2...)
outbytes = append(outbytes, []byte(media.URL+"?sectionID="+strconv.Itoa(sectionID)+"&sectionType="+sectionType)...)
outbytes = append(outbytes, imageClose...)
i += urlLen
lastItem = i
continue
} else if media.Type == "image" {
outbytes = append(outbytes, imageOpen...)
outbytes = append(outbytes, []byte(media.URL)...)
outbytes = append(outbytes, imageOpen2...)
outbytes = append(outbytes, []byte(media.URL)...)
outbytes = append(outbytes, imageClose...)
i += urlLen
lastItem = i
continue
} else if media.Type == "raw" {
outbytes = append(outbytes, []byte(media.Body)...)
i += urlLen
lastItem = i
continue
} else if media.Type != "" {
outbytes = append(outbytes, unknownMedia...)
i += urlLen
continue
}
outbytes = append(outbytes, UrlOpen...)
outbytes = append(outbytes, msgbytes[i:i+urlLen]...)
outbytes = append(outbytes, UrlOpen2...)
outbytes = append(outbytes, msgbytes[i:i+urlLen]...)
outbytes = append(outbytes, UrlClose...)
i += urlLen
lastItem = i
} else if msgbytes[i] == '/' && msgbytes[i+1] == '/' {
outbytes = append(outbytes, msgbytes[lastItem:i]...)
urlLen := PartialURLBytesLen(msgbytes[i:])
if msgbytes[i+urlLen] > 32 { // space and invisibles
//log.Print("INVALID URL")
//log.Print("msgbytes[i+urlLen]: ", msgbytes[i+urlLen])
//log.Print("string(msgbytes[i+urlLen]): ", string(msgbytes[i+urlLen]))
//log.Print("msgbytes[i:i+urlLen]: ", msgbytes[i:i+urlLen])
//log.Print("string(msgbytes[i:i+urlLen]): ", string(msgbytes[i:i+urlLen]))
outbytes = append(outbytes, InvalidURL...)
i += urlLen
continue
}
//log.Print("VALID URL")
//log.Print("msgbytes[i:i+urlLen]: ", msgbytes[i:i+urlLen])
//log.Print("string(msgbytes[i:i+urlLen]): ", string(msgbytes[i:i+urlLen]))
media, ok := parseMediaBytes(msgbytes[i : i+urlLen])
if !ok {
outbytes = append(outbytes, InvalidURL...)
i += urlLen
continue
}
if media.Type == "attach" {
outbytes = append(outbytes, imageOpen...)
outbytes = append(outbytes, []byte(media.URL+"?sectionID="+strconv.Itoa(sectionID)+"&sectionType="+sectionType)...)
outbytes = append(outbytes, imageOpen2...)
outbytes = append(outbytes, []byte(media.URL+"?sectionID="+strconv.Itoa(sectionID)+"&sectionType="+sectionType)...)
outbytes = append(outbytes, imageClose...)
i += urlLen
lastItem = i
continue
} else if media.Type == "image" {
outbytes = append(outbytes, imageOpen...)
outbytes = append(outbytes, []byte(media.URL)...)
outbytes = append(outbytes, imageOpen2...)
outbytes = append(outbytes, []byte(media.URL)...)
outbytes = append(outbytes, imageClose...)
i += urlLen
lastItem = i
continue
} else if media.Type == "raw" {
outbytes = append(outbytes, []byte(media.Body)...)
i += urlLen
lastItem = i
continue
} else if media.Type != "" {
outbytes = append(outbytes, unknownMedia...)
i += urlLen
continue
}
outbytes = append(outbytes, UrlOpen...)
outbytes = append(outbytes, msgbytes[i:i+urlLen]...)
outbytes = append(outbytes, UrlOpen2...)
outbytes = append(outbytes, msgbytes[i:i+urlLen]...)
outbytes = append(outbytes, UrlClose...)
i += urlLen
lastItem = i
}
}
}
if lastItem != i && len(outbytes) != 0 {
//log.Print("lastItem: ", msgbytes[lastItem])
//log.Print("lastItem index: ", lastItem)
//log.Print("i: ", i)
//log.Print("lastItem to end: ", msgbytes[lastItem:])
//log.Print("-----")
calclen := len(msgbytes) - 10
if calclen <= lastItem {
calclen = lastItem
}
outbytes = append(outbytes, msgbytes[lastItem:calclen]...)
msg = string(outbytes)
}
//log.Print(`"`+string(outbytes)+`"`)
//log.Print("msg",`"`+msg+`"`)
msg = strings.Replace(msg, "\n", "<br>", -1)
msg = RunSshook("parse_assign", msg)
return msg
}
// 6, 7, 8, 6, 2, 7
// ftp://, http://, https:// git://, //, mailto: (not a URL, just here for length comparison purposes)
// TODO: Write a test for this
func validateURLBytes(data []byte) bool {
datalen := len(data)
i := 0
if datalen >= 6 {
if bytes.Equal(data[0:6], []byte("ftp://")) || bytes.Equal(data[0:6], []byte("git://")) {
i = 6
} else if datalen >= 7 && bytes.Equal(data[0:7], httpProtBytes) {
i = 7
} else if datalen >= 8 && bytes.Equal(data[0:8], []byte("https://")) {
i = 8
}
} else if datalen >= 2 && data[0] == '/' && data[1] == '/' {
i = 2
}
// ? - There should only be one : and that's only if the URL is on a non-standard port. Same for ?s.
for ; datalen > i; i++ {
if data[i] != '\\' && data[i] != '_' && data[i] != ':' && data[i] != '?' && data[i] != '&' && data[i] != '=' && data[i] != ';' && data[i] != '@' && !(data[i] > 44 && data[i] < 58) && !(data[i] > 64 && data[i] < 91) && !(data[i] > 96 && data[i] < 123) {
return false
}
}
return true
}
// TODO: Write a test for this
func validatedURLBytes(data []byte) (url []byte) {
datalen := len(data)
i := 0
if datalen >= 6 {
if bytes.Equal(data[0:6], []byte("ftp://")) || bytes.Equal(data[0:6], []byte("git://")) {
i = 6
} else if datalen >= 7 && bytes.Equal(data[0:7], httpProtBytes) {
i = 7
} else if datalen >= 8 && bytes.Equal(data[0:8], []byte("https://")) {
i = 8
}
} else if datalen >= 2 && data[0] == '/' && data[1] == '/' {
i = 2
}
// ? - There should only be one : and that's only if the URL is on a non-standard port. Same for ?s.
for ; datalen > i; i++ {
if data[i] != '\\' && data[i] != '_' && data[i] != ':' && data[i] != '?' && data[i] != '&' && data[i] != '=' && data[i] != ';' && data[i] != '@' && !(data[i] > 44 && data[i] < 58) && !(data[i] > 64 && data[i] < 91) && !(data[i] > 96 && data[i] < 123) {
return InvalidURL
}
}
url = append(url, data...)
return url
}
// TODO: Write a test for this
func PartialURLBytes(data []byte) (url []byte) {
datalen := len(data)
i := 0
end := datalen - 1
if datalen >= 6 {
if bytes.Equal(data[0:6], []byte("ftp://")) || bytes.Equal(data[0:6], []byte("git://")) {
i = 6
} else if datalen >= 7 && bytes.Equal(data[0:7], httpProtBytes) {
i = 7
} else if datalen >= 8 && bytes.Equal(data[0:8], []byte("https://")) {
i = 8
}
} else if datalen >= 2 && data[0] == '/' && data[1] == '/' {
i = 2
}
// ? - There should only be one : and that's only if the URL is on a non-standard port. Same for ?s.
for ; end >= i; i++ {
if data[i] != '\\' && data[i] != '_' && data[i] != ':' && data[i] != '?' && data[i] != '&' && data[i] != '=' && data[i] != ';' && data[i] != '@' && !(data[i] > 44 && data[i] < 58) && !(data[i] > 64 && data[i] < 91) && !(data[i] > 96 && data[i] < 123) {
end = i
}
}
url = append(url, data[0:end]...)
return url
}
// TODO: Write a test for this
func PartialURLBytesLen(data []byte) int {
datalen := len(data)
i := 0
if datalen >= 6 {
//log.Print(string(data[0:5]))
if bytes.Equal(data[0:6], []byte("ftp://")) || bytes.Equal(data[0:6], []byte("git://")) {
i = 6
} else if datalen >= 7 && bytes.Equal(data[0:7], httpProtBytes) {
i = 7
} else if datalen >= 8 && bytes.Equal(data[0:8], []byte("https://")) {
i = 8
}
} else if datalen >= 2 && data[0] == '/' && data[1] == '/' {
i = 2
}
// ? - There should only be one : and that's only if the URL is on a non-standard port. Same for ?s.
for ; datalen > i; i++ {
if data[i] != '\\' && data[i] != '_' && data[i] != ':' && data[i] != '?' && data[i] != '&' && data[i] != '=' && data[i] != ';' && data[i] != '@' && !(data[i] > 44 && data[i] < 58) && !(data[i] > 64 && data[i] < 91) && !(data[i] > 96 && data[i] < 123) {
//log.Print("Bad Character: ", data[i])
return i
}
}
//log.Print("Data Length: ",datalen)
return datalen
}
type MediaEmbed struct {
Type string //image
URL string
Body string
}
// TODO: Write a test for this
func parseMediaBytes(data []byte) (media MediaEmbed, ok bool) {
if !validateURLBytes(data) {
return media, false
}
url, err := parseURL(data)
if err != nil {
return media, false
}
//log.Print("url ", url)
hostname := url.Hostname()
scheme := url.Scheme
port := url.Port()
//log.Print("hostname ", hostname)
//log.Print("scheme ", scheme)
query := url.Query()
//log.Printf("query %+v\n", query)
var samesite = hostname == "localhost" || hostname == Site.URL
if samesite {
hostname = strings.Split(Site.URL, ":")[0]
// ?- Test this as I'm not sure it'll do what it should. If someone's running SSL on port 80 or non-SSL on port 443 then... Well... They're in far worse trouble than this...
port = Site.Port
if scheme == "" && Site.EnableSsl {
scheme = "https"
}
}
if scheme == "" {
scheme = "http"
}
path := url.EscapedPath()
//log.Print("path", path)
pathFrags := strings.Split(path, "/")
//log.Printf("pathFrags %+v\n", pathFrags)
//log.Print("scheme ", scheme)
//log.Print("hostname ", hostname)
if len(pathFrags) >= 2 {
if samesite && pathFrags[1] == "attachs" && (scheme == "http" || scheme == "https") {
//log.Print("Attachment")
media.Type = "attach"
var sport string
// ? - Assumes the sysadmin hasn't mixed up the two standard ports
if port != "443" && port != "80" {
sport = ":" + port
}
media.URL = scheme + "://" + hostname + sport + path
return media, true
}
}
// ? - I don't think this hostname will hit every YT domain
// TODO: Make this a more customisable handler rather than hard-coding it in here
if hostname == "www.youtube.com" && path == "/watch" {
video, ok := query["v"]
if ok && len(video) >= 1 && video[0] != "" {
media.Type = "raw"
// TODO: Filter the URL to make sure no nasties end up in there
media.Body = "<iframe class='postIframe' src='https://www.youtube-nocookie.com/embed/" + video[0] + "' frameborder='0' allowfullscreen></iframe>"
return media, true
}
}
lastFrag := pathFrags[len(pathFrags)-1]
if lastFrag != "" {
// TODO: Write a function for getting the file extension of a string
extarr := strings.Split(lastFrag, ".")
if len(extarr) >= 2 {
ext := extarr[len(extarr)-1]
if ImageFileExts.Contains(ext) {
media.Type = "image"
var sport string
if port != "443" && port != "80" {
sport = ":" + port
}
media.URL = scheme + "://" + hostname + sport + path
return media, true
}
}
}
return media, true
}
func parseURL(data []byte) (*url.URL, error) {
return url.Parse(string(data))
}
// TODO: Write a test for this
func CoerceIntBytes(data []byte) (res int, length int) {
if !(data[0] > 47 && data[0] < 58) {
return 0, 1
}
i := 0
for ; len(data) > i; i++ {
if !(data[i] > 47 && data[i] < 58) {
conv, err := strconv.Atoi(string(data[0:i]))
if err != nil {
return 0, i
}
return conv, i
}
}
conv, err := strconv.Atoi(string(data))
if err != nil {
return 0, i
}
return conv, i
}
// TODO: Write tests for this
func Paginate(count int, perPage int, maxPages int) []int {
if count < perPage {
return []int{1}
}
var page int
var out []int
for current := 0; current < count; current += perPage {
page++
out = append(out, page)
if len(out) >= maxPages {
break
}
}
return out
}
// TODO: Write tests for this
func PageOffset(count int, page int, perPage int) (int, int, int) {
var offset int
lastPage := (count / perPage) + 1
if page > 1 {
offset = (perPage * page) - perPage
} else if page == -1 {
page = lastPage
offset = (perPage * page) - perPage
} else {
page = 1
}
// We don't want the offset to overflow the slices, if everything's in memory
if offset >= (count - 1) {
offset = 0
}
return offset, page, lastPage
}