Censoring words

models/config.go

@@ -11,6 +11,7 @@ const (
 	HeaderMsg string = "header_msg"
 	LoginMsg string = "login_msg"
 	SignupMsg string = "signup_msg"
+	CensoredWords string = "censored_words"
 	SignupDisabled string = "signup_disabled"
 	GroupCreationDisabled string = "group_creation_disabled"
 	ImageUploadEnabled string = "image_upload_enabled"
@@ -54,27 +55,31 @@ func Config(key string) string {
 	if key == LoginMsg {
 		return ""
 	}
+	if key == CensoredWords {
+		return ""
+	}
 	return "0"
 }
 
 func ConfigAllVals() map[string]interface{} {
 	vals := map[string]interface{}{
-		"forum_name": Config(ForumName),
-		"header_msg": Config(HeaderMsg),
-		"login_msg": Config(LoginMsg),
-		"signup_msg": Config(SignupMsg),
-		"signup_disabled": Config(SignupDisabled) == "1",
-		"group_creation_disabled": Config(GroupCreationDisabled) == "1",
-		"image_upload_enabled": Config(ImageUploadEnabled) == "1",
-		"allow_group_subscription": Config(AllowGroupSubscription) == "1",
-		"allow_topic_subscription": Config(AllowTopicSubscription) == "1",
-		"data_dir": Config(DataDir),
-		"body_appendage": Config(BodyAppendage),
-		"default_from_mail": Config(DefaultFromMail),
-		"smtp_host": Config(SMTPHost),
-		"smtp_port": Config(SMTPPort),
-		"smtp_user": Config(SMTPUser),
-		"smtp_pass": Config(SMTPPass),
+		ForumName: Config(ForumName),
+		HeaderMsg: Config(HeaderMsg),
+		LoginMsg: Config(LoginMsg),
+		SignupMsg: Config(SignupMsg),
+		CensoredWords: Config(CensoredWords),
+		SignupDisabled: Config(SignupDisabled) == "1",
+		GroupCreationDisabled: Config(GroupCreationDisabled) == "1",
+		ImageUploadEnabled: Config(ImageUploadEnabled) == "1",
+		AllowGroupSubscription: Config(AllowGroupSubscription) == "1",
+		AllowTopicSubscription: Config(AllowTopicSubscription) == "1",
+		DataDir: Config(DataDir),
+		BodyAppendage: Config(BodyAppendage),
+		DefaultFromMail: Config(DefaultFromMail),
+		SMTPHost: Config(SMTPHost),
+		SMTPPort: Config(SMTPPort),
+		SMTPUser: Config(SMTPUser),
+		SMTPPass: Config(SMTPPass),
 	}
 	return vals
 }

templates/adminindex.go

@@ -28,6 +28,10 @@ const adminindexSrc = `
 		<th><label for="signup_msg">Signup message:</label></th>
 		<td><input type="text" name="signup_msg" id="signup_msg" value="{{ index .Config "signup_msg" }}"></td>
 	</tr>
+	<tr>
+		<th><label for="censored_words"><div class="col-label">Censored words:</label></th>
+		<td><textarea name="censored_words" id="censored_words" rows="4" placeholder="shit, bitch, poop">{{ index .Config "censored_words" }}</textarea></td>
+	</tr>
 	<tr>
 		<th><label for="body_appendage"><div class="col-label">Body Appendage:</label></th>
 		<td><textarea name="body_appendage" id="body_appendage" rows="4" placeholder="<script>Analytics or something</script>">{{ index .Config "body_appendage" }}</textarea></td>

views/auth.go

@@ -79,6 +79,11 @@ var SignupHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Session
 			http.Redirect(w, r, "/signup", http.StatusSeeOther)
 			return
 		}
+		if censored := censor(userName); censored != userName {
+			sess.SetFlashMsg("Fix username: " + censored)
+			http.Redirect(w, r, "/signup", http.StatusSeeOther)
+			return
+		}
 		hasSpecial := false
 		for _, ch := range userName {
 			if (ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z') && ch != '_' && (ch < '0' || ch > '9') {

views/comments.go

@@ -14,7 +14,6 @@ import (
 	"github.com/s-gv/orangeforum/utils"
 	"strconv"
 	"strings"
-	"log"
 )
 
 var CommentIndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Session) {
@@ -99,9 +98,7 @@ var CommentCreateHandler = A(func(w http.ResponseWriter, r *http.Request, sess S
 		if quoteContent[0] == '\n' {
 			quoteContent = quoteContent[1:]
 		}
-		log.Printf("before:\n%s", quoteContent)
 		quoteContent = quoteRe.ReplaceAllString(quoteContent, "$1> $2")
-		log.Printf("after:\n%s", quoteContent)
 		quoteContent = "```\n" + quotedUser + " wrote:\n" + quoteContent + "\n```\n"
 	}
 

views/groups.go

@@ -55,6 +55,7 @@ var GroupIndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Ses
 		t := Topic{}
 		rows.Scan(&t.ID, &t.Title, &t.IsDeleted, &t.IsClosed, &t.NumComments, &t.cDateUnix, &t.Owner)
 		t.CreatedDate = timeAgoFromNow(time.Unix(t.cDateUnix, 0))
+		t.Title = censor(t.Title)
 		topics = append(topics, t)
 	}
 
@@ -80,9 +81,9 @@ var GroupIndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Ses
 	templates.Render(w, "groupindex.html", map[string]interface{}{
 		"Common": commonData,
 		"GroupName": name,
-		"GroupDesc": groupDesc,
+		"GroupDesc": censor(groupDesc),
 		"GroupID": groupID,
-		"HeaderMsg": headerMsg,
+		"HeaderMsg": censor(headerMsg),
 		"SubToken": subToken,
 		"Topics": topics,
 		"IsMod": isMod,
@@ -135,6 +136,11 @@ var GroupEditHandler = A(func(w http.ResponseWriter, r *http.Request, sess Sessi
 				http.Redirect(w, r, "/groups/edit", http.StatusSeeOther)
 				return
 			}
+			if censored := censor(name); censored != name {
+				sess.SetFlashMsg("Fix group name: " + censored)
+				http.Redirect(w, r, "/groups/edit", http.StatusSeeOther)
+				return
+			}
 			if len(desc) > 160 {
 				sess.SetFlashMsg("Group description should have less than 160 characters.")
 				http.Redirect(w, r, "/groups/edit", http.StatusSeeOther)
@@ -174,6 +180,11 @@ var GroupEditHandler = A(func(w http.ResponseWriter, r *http.Request, sess Sessi
 				http.Redirect(w, r, "/groups/edit?id="+groupID, http.StatusSeeOther)
 				return
 			}
+			if censored := censor(name); censored != name {
+				sess.SetFlashMsg("Fix group name: " + censored)
+				http.Redirect(w, r, "/groups/edit?id="+groupID, http.StatusSeeOther)
+				return
+			}
 			if len(desc) > 160 {
 				sess.SetFlashMsg("Group description should have less than 160 characters.")
 				http.Redirect(w, r, "/groups/edit?id="+groupID, http.StatusSeeOther)

views/misc.go

@@ -33,6 +33,7 @@ var IndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Session)
 		groups = append(groups, Group{})
 		g := &groups[len(groups)-1]
 		rows.Scan(&g.Name, &g.Desc, &g.IsSticky)
+		g.Desc = censor(g.Desc)
 	}
 	sort.Slice(groups, func(i, j int) bool {return groups[i].Name < groups[j].Name})
 	sort.Slice(groups, func(i, j int) bool {return groups[i].IsSticky > groups[j].IsSticky})
@@ -53,6 +54,7 @@ var IndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Session)
 		var isTopicDeleted, isTopicClosed, isGroupClosed bool
 		trows.Scan(&t.ID, &t.Title, &t.NumComments, &cDate, &isTopicDeleted, &isTopicClosed, &t.GroupName, &isGroupClosed, &t.OwnerName)
 		t.CreatedDate = timeAgoFromNow(time.Unix(cDate, 0))
+		t.Title = censor(t.Title)
 		if !isTopicDeleted && !isTopicClosed && !isGroupClosed {
 			topics = append(topics, t)
 		}
@@ -77,6 +79,7 @@ var AdminIndexHandler = A(func (w http.ResponseWriter, r *http.Request, sess Ses
 	if r.Method == "POST" && linkID == "" {
 		forumName := r.PostFormValue("forum_name")
 		headerMsg := r.PostFormValue("header_msg")
+		censoredWords := r.PostFormValue("censored_words")
 		loginMsg := r.PostFormValue("login_msg")
 		signupMsg := r.PostFormValue("signup_msg")
 		signupDisabled := "0"
@@ -123,6 +126,7 @@ var AdminIndexHandler = A(func (w http.ResponseWriter, r *http.Request, sess Ses
 			models.WriteConfig(models.LoginMsg, loginMsg)
 			models.WriteConfig(models.SignupMsg, signupMsg)
 			models.WriteConfig(models.SignupDisabled, signupDisabled)
+			models.WriteConfig(models.CensoredWords, censoredWords)
 			models.WriteConfig(models.GroupCreationDisabled, groupCreationDisabled)
 			models.WriteConfig(models.ImageUploadEnabled, imageUploadEnabled)
 			models.WriteConfig(models.AllowGroupSubscription, allowGroupSubscription)

views/profile.go

@@ -10,6 +10,7 @@ import (
 	"strconv"
 	"time"
 	"github.com/s-gv/orangeforum/templates"
+	"html/template"
 )
 
 var UserProfileHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Session) {
@@ -95,7 +96,7 @@ var UserCommentsHandler = UA(func(w http.ResponseWriter, r *http.Request, sess S
 
 	type Comment struct {
 		ID string
-		Content string
+		Content template.HTML
 		TopicID string
 		TopicName string
 		CreatedDate string
@@ -118,8 +119,10 @@ var UserCommentsHandler = UA(func(w http.ResponseWriter, r *http.Request, sess S
 		comments = append(comments, Comment{})
 		c := &comments[len(comments)-1]
 
-		rows.Scan(&c.TopicName, &c.TopicID, &c.ID, &c.Content, &c.ImgSrc, &cDate, &c.IsDeleted)
+		var content string
+		rows.Scan(&c.TopicName, &c.TopicID, &c.ID, &content, &c.ImgSrc, &cDate, &c.IsDeleted)
 		c.CreatedDate = timeAgoFromNow(time.Unix(cDate, 0))
+		c.Content = formatComment(content)
 	}
 
 	if len(comments) >= commentsPerPage {
@@ -169,6 +172,7 @@ var UserTopicsHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Ses
 		t := &topics[len(topics)-1]
 		rows.Scan(&t.ID, &t.Title, &t.IsDeleted, &t.IsClosed, &cDate)
 		t.CreatedDate = timeAgoFromNow(time.Unix(cDate, 0))
+		t.Title = censor(t.Title)
 	}
 
 	if len(topics) >= numTopicsPerPage {

views/topics.go

@@ -100,7 +100,7 @@ var TopicIndexHandler = UA(func(w http.ResponseWriter, r *http.Request, sess Ses
 		"GroupID": groupID,
 		"TopicID": topicID,
 		"GroupName": groupName,
-		"TopicName": title,
+		"TopicName": censor(title),
 		"OwnerName": ownerName,
 		"CreatedDate": timeAgoFromNow(time.Unix(createdDate, 0)),
 		"SubToken": subToken,

views/utils.go

@@ -53,6 +53,9 @@ var boldRe *regexp.Regexp
 var codeRe *regexp.Regexp
 var oldCodeRe *regexp.Regexp
 var quoteRe *regexp.Regexp
+var censorRe *regexp.Regexp
+
+var censored string
 
 func init() {
 	linkRe = regexp.MustCompile("https?://([A-Za-z0-9\\-]+\\.[A-Za-z0-9\\-\\.]+|localhost)(:[0-9]+)?[a-zA-Z0-9@:%_\\+\\.~#?&/=;\\-]*[a-zA-Z0-9@:%_\\+~#?&/=;\\-]")
@@ -163,7 +166,32 @@ func formatComment(comment string) template.HTML {
 	comment = linkRe.ReplaceAllString(comment, "<a href=\"$0\">$0</a>")
 
 	formatted := "<p>" + comment + "</p>"
-	return template.HTML(formatted)
+	return template.HTML(censor(formatted))
+}
+
+func censor(content string) string {
+	cWords := models.Config(models.CensoredWords)
+	if cWords != censored {
+		censored = cWords
+		cWordList := strings.Split(censored, ",")
+		if len(cWordList) > 0 {
+			r := "(?i:"
+			for i, w := range cWordList {
+				r = r + strings.TrimSpace(w)
+				if i < len(cWordList)-1 {
+					r = r + "|"
+				}
+			}
+			r = r + ")"
+			censorRe = regexp.MustCompile(r)
+		} else {
+			censorRe = nil
+		}
+	}
+	if censorRe != nil {
+		return censorRe.ReplaceAllString(content, "****")
+	}
+	return content
 }
 
 func saveImage(r *http.Request) string {