Added limited support for HTML in posts.

Newlines are now stripped from usernames, topic titles, and emails.

common/parser.go

@@ -4,6 +4,7 @@ import (
 	//"fmt"
 	"bytes"
 	"html"
+	"log"
 	"net/url"
 	"regexp"
 	"strconv"
@@ -166,28 +167,74 @@ func shortcodeToUnicode(msg string) string {
 }
 
 // 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
 	if Sshooks["preparse_preassign"] != nil {
 		msg = RunSshook("preparse_preassign", msg)
 	}
 	msg = html.EscapeString(msg)
-	/*var runes = []rune(msg)
+
+	var runes = []rune(msg)
 	msg = ""
-	//var inBold = false
-	//var unclosedBolds = 0
+	var inBold = false
+	var inItalic = 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, 2, runes) == ';' {
-			i += 2
-
+		log.Print("string(char): ", string(char))
+		if char == '&' && peek(i, 1, runes) == 'l' && peek(i, 2, runes) == 't' && peek(i, 3, runes) == ';' {
+			log.Print("past less than")
+			i = stepForward(i, 4, runes)
+			char := runes[i]
+			if char == '/' {
+				log.Print("in /")
+				i = stepForward(i, 1, runes)
+				char := runes[i]
+				if inItalic && char == 'e' && peekMatch(i, "m&gt;", runes) {
+					log.Print("in inItalic")
+					i += 5
+					inItalic = false
+					msg += "</em>"
+				} else if inBold && char == 's' && peekMatch(i, "trong&gt;", runes) {
+					log.Print("in inBold")
+					i += 9
+					inBold = false
+					msg += "</strong>"
+				}
+			} else if !inItalic && char == 'e' && peekMatch(i, "m&gt;", runes) {
+				log.Print("in !inItalic")
+				i += 5
+				inItalic = true
+				msg += "<em>"
+			} else if !inBold && char == 's' && peekMatch(i, "trong&gt;", runes) {
+				log.Print("in !inBold")
+				i += 9
+				inBold = true
+				msg += "<strong>"
+			}
 		} else {
 			msg += string(char)
 		}
-	}*/
+	}
+
+	if inItalic {
+		msg += "</em>"
+	}
+	if inBold {
+		msg += "</strong>"
+	}
+
 	return shortcodeToUnicode(msg)
 }
 
@@ -200,6 +247,19 @@ func peek(cur int, skip int, runes []rune) rune {
 	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 {

common/topic.go

@@ -11,6 +11,7 @@ import (
 	"html"
 	"html/template"
 	"strconv"
+	"strings"
 	"time"
 
 	"../query_gen/lib"
@@ -238,7 +239,7 @@ func (topic *Topic) Delete() error {
 
 // TODO: Write tests for this
 func (topic *Topic) Update(name string, content string) error {
-	name = html.EscapeString(html.UnescapeString(name))
+	name = html.EscapeString(strings.Replace(html.UnescapeString(name), "\n", "", -1))
 	content = PreparseMessage(html.UnescapeString(content))
 	parsedContent := ParseMessage(content, topic.ParentID, "forums")
 	_, err := topicStmts.edit.Exec(name, content, parsedContent, topic.ID)

member_routes.go

@@ -132,7 +132,7 @@ func routeTopicCreateSubmit(w http.ResponseWriter, r *http.Request, user common.
 		return common.NoPermissions(w, r, user)
 	}
 
-	topicName := html.EscapeString(r.PostFormValue("topic-name"))
+	topicName := html.EscapeString(strings.Replace(r.PostFormValue("topic-name"), "\n", "", -1))
 	content := common.PreparseMessage(r.PostFormValue("topic-content"))
 	// TODO: Fully parse the post and store it in the parsed column
 	tid, err := common.Topics.Create(fid, topicName, content, user.ID, user.LastIP)
@@ -828,7 +828,7 @@ func routeAccountEditUsernameSubmit(w http.ResponseWriter, r *http.Request, user
 		return ferr
 	}
 
-	newUsername := html.EscapeString(r.PostFormValue("account-new-username"))
+	newUsername := html.EscapeString(strings.Replace(r.PostFormValue("account-new-username"), "\n", "", -1))
 	err := user.ChangeName(newUsername)
 	if err != nil {
 		return common.LocalError("Unable to change the username. Does someone else already have this name?", w, r, user)

panel_routes.go

@@ -1039,12 +1039,14 @@ func routePanelUsersEditSubmit(w http.ResponseWriter, r *http.Request, user comm
 		return common.LocalError("Only administrators can edit the account of other administrators.", w, r, user)
 	}
 
-	newname := html.EscapeString(r.PostFormValue("user-name"))
+	newname := html.EscapeString(strings.Replace(r.PostFormValue("user-name"), "\n", "", -1))
 	if newname == "" {
 		return common.LocalError("You didn't put in a username.", w, r, user)
 	}
 
-	newemail := html.EscapeString(r.PostFormValue("user-email"))
+	// TODO: How should activation factor into admin set emails?
+	// TODO: How should we handle secondary emails? Do we even have secondary emails implemented?
+	newemail := html.EscapeString(strings.Replace(r.PostFormValue("user-email"), "\n", "", -1))
 	if newemail == "" {
 		return common.LocalError("You didn't put in an email address.", w, r, user)
 	}

routes.go

@@ -749,7 +749,8 @@ func routeLoginSubmit(w http.ResponseWriter, r *http.Request, user common.User)
 		return common.LocalError("Bad Form", w, r, user)
 	}
 
-	uid, err := common.Auth.Authenticate(html.EscapeString(r.PostFormValue("username")), r.PostFormValue("password"))
+	username := html.EscapeString(strings.Replace(r.PostFormValue("username"), "\n", "", -1))
+	uid, err := common.Auth.Authenticate(username, r.PostFormValue("password"))
 	if err != nil {
 		return common.LocalError(err.Error(), w, r, user)
 	}
@@ -808,11 +809,11 @@ func routeRegisterSubmit(w http.ResponseWriter, r *http.Request, user common.Use
 	if err != nil {
 		return common.LocalError("Bad Form", w, r, user)
 	}
-	username := html.EscapeString(r.PostFormValue("username"))
+	username := html.EscapeString(strings.Replace(r.PostFormValue("username"), "\n", "", -1))
 	if username == "" {
 		return common.LocalError("You didn't put in a username.", w, r, user)
 	}
-	email := html.EscapeString(r.PostFormValue("email"))
+	email := html.EscapeString(strings.Replace(r.PostFormValue("email"), "\n", "", -1))
 	if email == "" {
 		return common.LocalError("You didn't put in an email.", w, r, user)
 	}
@@ -827,6 +828,7 @@ func routeRegisterSubmit(w http.ResponseWriter, r *http.Request, user common.Use
 		return common.LocalError("You can't use your email as your password.", w, r, user)
 	}
 
+	// ?  Move this into Create()? What if we want to programatically set weak passwords for tests?
 	err = common.WeakPassword(password)
 	if err != nil {
 		return common.LocalError(err.Error(), w, r, user)