func (con App) Handler(c context.Context) http.Handler {
cfg := readeef.GetConfig(c)
rnd := webfw.GetRenderer(c)
if cfg.Logger.Level == "debug" {
rnd.SkipCache(true)
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
action := webfw.GetMultiPatternIdentifier(c, r)
data := renderer.RenderData{}
if action == "history" {
params := webfw.GetParams(c, r)
data["history"] = "/web/" + params["history"]
}
if r.Method != "HEAD" {
err := rnd.Render(w, data, c.GetAll(r), "app.tmpl")
if err != nil {
webfw.GetLogger(c).Print(err)
}
}
w.Header().Set("X-Readeef", "1")
})
}
func (con Component) Handler(c context.Context) http.Handler {
mw, i18nFound := con.dispatcher.Middleware("I18N")
logger := webfw.GetLogger(c)
rnd := renderer.NewRenderer(con.dispatcher.Config.Renderer.Dir, "raw.tmpl")
rnd.Delims("{%", "%}")
if i18nFound {
if i18n, ok := mw.(middleware.I18N); ok {
rnd.Funcs(i18n.TemplateFuncMap())
}
} else {
logger.Infoln("I18N middleware not found")
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
params := webfw.GetParams(c, r)
err := rnd.Render(w, renderer.RenderData{"apiPattern": con.apiPattern},
c.GetAll(r), "components/"+params["name"]+".tmpl")
if err != nil {
webfw.GetLogger(c).Print(err)
}
})
}
func (con UserSettings) Handler(c context.Context) http.Handler {
cfg := readeef.GetConfig(c)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
attr := params["attribute"]
var resp responseError
if r.Method == "GET" {
resp = getUserAttribute(user, attr)
} else if r.Method == "POST" {
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
resp = setUserAttribute(user, []byte(cfg.Auth.Secret), attr, buf.Bytes())
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err != nil {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
})
}
func (con User) Handler(c context.Context) http.Handler {
cfg := readeef.GetConfig(c)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
user := readeef.GetUser(c, r)
action := webfw.GetMultiPatternIdentifier(c, r)
params := webfw.GetParams(c, r)
var resp responseError
switch action {
case "list":
resp = listUsers(user)
case "add":
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
resp = addUser(user, data.Login(params["login"]), buf.String(), []byte(cfg.Auth.Secret))
case "remove":
resp = removeUser(user, data.Login(params["login"]))
case "setAttr":
resp = setAttributeForUser(user, []byte(cfg.Auth.Secret), data.Login(params["login"]), params["attr"], []byte(params["value"]))
}
switch resp.err {
case errForbidden:
w.WriteHeader(http.StatusForbidden)
return
case errUserExists:
resp.val["Error"] = true
resp.val["ErrorType"] = resp.errType
resp.err = nil
case errCurrentUser:
resp.val["Error"] = true
resp.val["ErrorType"] = resp.errType
resp.err = nil
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err != nil {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
})
}
func (con Component) Handler(c context.Context) http.HandlerFunc {
rnd := renderer.NewRenderer(con.dir, "raw.tmpl")
rnd.Delims("{%", "%}")
return func(w http.ResponseWriter, r *http.Request) {
params := webfw.GetParams(c, r)
err := rnd.Render(w, renderer.RenderData{"apiPattern": con.apiPattern},
c.GetAll(r), "components/"+params["name"]+".tmpl")
if err != nil {
webfw.GetLogger(c).Print(err)
}
}
}
func (con App) Handler(c context.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
rnd := webfw.GetRenderer(c)
action := webfw.GetMultiPatternIdentifier(c, r)
data := renderer.RenderData{}
if action == "history" {
params := webfw.GetParams(c, r)
data["history"] = "/web/" + params["history"]
}
err := rnd.Render(w, data, c.GetAll(r), "app.tmpl")
if err != nil {
webfw.GetLogger(c).Print(err)
}
})
}
func (con Article) Handler(c context.Context) http.Handler {
logger := webfw.GetLogger(c)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
action := webfw.GetMultiPatternIdentifier(c, r)
logger.Infof("Invoking Article controller with action '%s', article id '%s'\n", action, params["article-id"])
var articleId int64
var resp responseError
articleId, resp.err = strconv.ParseInt(params["article-id"], 10, 64)
if resp.err == nil {
id := data.ArticleId(articleId)
switch action {
case "fetch":
resp = fetchArticle(user, id)
case "read":
resp = articleReadState(user, id, params["value"] == "true")
case "favorite":
resp = articleFavoriteState(user, id, params["value"] == "true")
case "format":
resp = formatArticle(user, id, con.extractor, webfw.GetConfig(c), con.config)
}
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err == nil {
w.Write(b)
} else {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
}
})
}
func (con Component) Handler(c context.Context) http.Handler {
i18nmw, i18nFound := con.dispatcher.Middleware("I18N")
urlmw, urlFound := con.dispatcher.Middleware("Url")
logger := webfw.GetLogger(c)
cfg := readeef.GetConfig(c)
rnd := renderer.NewRenderer(con.dispatcher.Config.Renderer.Dir, "raw.tmpl")
rnd.Delims("{%", "%}")
if cfg.Logger.Level == "debug" {
rnd.SkipCache(true)
}
if i18nFound {
if i18n, ok := i18nmw.(middleware.I18N); ok {
rnd.Funcs(i18n.TemplateFuncMap())
}
} else {
logger.Infoln("I18N middleware not found")
}
if urlFound {
if url, ok := urlmw.(middleware.Url); ok {
rnd.Funcs(url.TemplateFuncMap(c))
}
} else {
logger.Infoln("Url middleware not found")
}
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
params := webfw.GetParams(c, r)
if r.Method != "HEAD" {
err := rnd.Render(w, renderer.RenderData{"apiPattern": con.apiPattern, "config": cfg},
c.GetAll(r), "components/"+params["name"]+".tmpl")
if err != nil {
webfw.GetLogger(c).Print(err)
}
}
})
}
func (con Search) Handler(c context.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
query := params["query"]
var resp responseError
if resp.err = r.ParseForm(); resp.err == nil {
highlight := ""
feedId := ""
if vs := r.Form["highlight"]; len(vs) > 0 {
highlight = vs[0]
}
if vs := r.Form["id"]; len(vs) > 0 {
if vs[0] != "all" && vs[0] != "favorite" {
feedId = vs[0]
}
}
resp = search(user, con.searchIndex, query, highlight, feedId)
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err != nil {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
})
}
func (con HubbubController) Handler(c context.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
pathParams := webfw.GetParams(c, r)
logger := webfw.GetLogger(c)
feedId, err := strconv.ParseInt(pathParams["feed-id"], 10, 64)
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
repo := con.hubbub.repo
f := repo.FeedById(data.FeedId(feedId))
s := f.Subscription()
err = s.Err()
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
logger.Infoln("Receiving hubbub event " + params.Get("hub.mode") + " for " + f.String())
data := s.Data()
switch params.Get("hub.mode") {
case "subscribe":
if lease, err := strconv.Atoi(params.Get("hub.lease_seconds")); err == nil {
data.LeaseDuration = int64(lease) * int64(time.Second)
}
data.VerificationTime = time.Now()
w.Write([]byte(params.Get("hub.challenge")))
case "unsubscribe":
w.Write([]byte(params.Get("hub.challenge")))
case "denied":
w.Write([]byte{})
webfw.GetLogger(c).Printf("Unable to subscribe to '%s': %s\n", params.Get("hub.topic"), params.Get("hub.reason"))
default:
w.Write([]byte{})
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
if _, err := buf.ReadFrom(r.Body); err != nil {
webfw.GetLogger(c).Print(err)
return
}
newArticles := false
if pf, err := parser.ParseFeed(buf.Bytes(), parser.ParseRss2, parser.ParseAtom, parser.ParseRss1); err == nil {
f.Refresh(pf)
f.Update()
if f.HasErr() {
webfw.GetLogger(c).Print(f.Err())
return
}
newArticles = len(f.NewArticles()) > 0
} else {
webfw.GetLogger(c).Print(err)
return
}
if newArticles {
con.hubbub.NotifyReceivers(f)
}
return
}
switch params.Get("hub.mode") {
case "subscribe":
data.SubscriptionFailure = false
case "unsubscribe", "denied":
data.SubscriptionFailure = true
}
s.Data(data)
s.Update()
if s.HasErr() {
webfw.GetLogger(c).Print(s.Err())
return
}
if data.SubscriptionFailure {
con.hubbub.removeFeed <- f
} else {
con.hubbub.addFeed <- f
}
})
}
func (con Feed) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
action := webfw.GetMultiPatternIdentifier(c, r)
params := webfw.GetParams(c, r)
resp := make(map[string]interface{})
SWITCH:
switch action {
case "list":
var feeds []readeef.Feed
feeds, err = db.GetUserTagsFeeds(user)
if err != nil {
break
}
respFeeds := []feed{}
for _, f := range feeds {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image, Tags: f.Tags,
UpdateError: f.UpdateError, SubscribeError: f.SubscribeError,
})
}
resp["Feeds"] = respFeeds
case "discover":
r.ParseForm()
link := r.FormValue("url")
var u *url.URL
/* TODO: non-fatal error */
if u, err = url.Parse(link); err != nil {
break
/* TODO: non-fatal error */
} else if !u.IsAbs() {
u.Scheme = "http"
if u.Host == "" {
parts := strings.SplitN(u.Path, "/", 2)
u.Host = parts[0]
if len(parts) > 1 {
u.Path = "/" + parts[1]
} else {
u.Path = ""
}
}
link = u.String()
}
var feeds []readeef.Feed
feeds, err = con.fm.DiscoverFeeds(link)
if err != nil {
break
}
var userFeeds []readeef.Feed
userFeeds, err = db.GetUserFeeds(user)
if err != nil {
break
}
userFeedIdMap := make(map[int64]bool)
userFeedLinkMap := make(map[string]bool)
for _, f := range userFeeds {
userFeedIdMap[f.Id] = true
userFeedLinkMap[f.Link] = true
u, err := url.Parse(f.Link)
if err == nil && strings.HasPrefix(u.Host, "www.") {
u.Host = u.Host[4:]
userFeedLinkMap[u.String()] = true
}
}
respFeeds := []feed{}
for _, f := range feeds {
if !userFeedIdMap[f.Id] && !userFeedLinkMap[f.Link] {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image,
})
}
}
resp["Feeds"] = respFeeds
case "opml":
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
var opml parser.Opml
opml, err = parser.ParseOpml(buf.Bytes())
if err != nil {
break
}
var userFeeds []readeef.Feed
userFeeds, err = db.GetUserFeeds(user)
if err != nil {
break
}
userFeedMap := make(map[int64]bool)
for _, f := range userFeeds {
userFeedMap[f.Id] = true
}
var feeds []readeef.Feed
for _, opmlFeed := range opml.Feeds {
var discovered []readeef.Feed
discovered, err = con.fm.DiscoverFeeds(opmlFeed.Url)
if err != nil {
continue
}
for _, f := range discovered {
if !userFeedMap[f.Id] {
if len(opmlFeed.Tags) > 0 {
f.Link += "#" + strings.Join(opmlFeed.Tags, ",")
}
feeds = append(feeds, f)
}
}
}
respFeeds := []feed{}
for _, f := range feeds {
respFeeds = append(respFeeds, feed{
Id: f.Id, Title: f.Title, Description: f.Description,
Link: f.Link, Image: f.Image,
})
}
resp["Feeds"] = respFeeds
case "add":
r.ParseForm()
links := r.Form["url"]
success := false
for _, link := range links {
/* TODO: non-fatal error */
var u *url.URL
if u, err = url.Parse(link); err != nil {
break SWITCH
/* TODO: non-fatal error */
} else if !u.IsAbs() {
err = errors.New("Feed has no link")
break SWITCH
}
var f readeef.Feed
f, err = con.fm.AddFeedByLink(link)
if err != nil {
break SWITCH
}
f, err = db.CreateUserFeed(readeef.GetUser(c, r), f)
if err != nil {
break SWITCH
}
tags := strings.SplitN(u.Fragment, ",", -1)
if u.Fragment != "" && len(tags) > 0 {
err = db.CreateUserFeedTag(f, tags...)
}
success = true
}
resp["Success"] = success
case "remove":
var id int64
id, err = strconv.ParseInt(params["feed-id"], 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break
}
err = db.DeleteUserFeed(feed)
/* TODO: non-fatal error */
if err != nil {
break
}
con.fm.RemoveFeed(feed)
resp["Success"] = true
case "tags":
var id int64
id, err = strconv.ParseInt(params["feed-id"], 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break
}
if r.Method == "GET" {
resp["Tags"] = feed.Tags
} else if r.Method == "POST" {
var tags []string
tags, err = db.GetUserFeedTags(user, feed)
if err != nil {
break
}
err = db.DeleteUserFeedTag(feed, tags...)
if err != nil {
break
}
decoder := json.NewDecoder(r.Body)
tags = []string{}
err = decoder.Decode(&tags)
if err != nil {
break
}
err = db.CreateUserFeedTag(feed, tags...)
if err != nil {
break
}
resp["Success"] = true
resp["Id"] = feed.Id
}
case "read":
feedId := params["feed-id"]
timestamp := params["timestamp"]
var seconds int64
seconds, err = strconv.ParseInt(timestamp, 10, 64)
/* TODO: non-fatal error */
if err != nil {
break
}
t := time.Unix(seconds/1000, 0)
switch {
case feedId == "tag:__all__":
err = db.MarkUserArticlesByDateAsRead(user, t, true)
case feedId == "__favorite__":
// Favorites are assumbed to have been read already
case strings.HasPrefix(feedId, "tag:"):
tag := feedId[4:]
err = db.MarkUserTagArticlesByDateAsRead(user, tag, t, true)
default:
var id int64
id, err = strconv.ParseInt(feedId, 10, 64)
/* TODO: non-fatal error */
if err != nil {
break SWITCH
}
var feed readeef.Feed
feed, err = db.GetUserFeed(id, user)
/* TODO: non-fatal error */
if err != nil {
break SWITCH
}
err = db.MarkFeedArticlesByDateAsRead(feed, t, true)
}
if err == nil {
resp["Success"] = true
}
case "articles":
var articles []readeef.Article
var limit, offset int
feedId := params["feed-id"]
limit, err = strconv.Atoi(params["limit"])
/* TODO: non-fatal error */
if err != nil {
break
}
offset, err = strconv.Atoi(params["offset"])
/* TODO: non-fatal error */
if err != nil {
break
}
newerFirst := params["newer-first"] == "true"
unreadOnly := params["unread-only"] == "true"
if limit > 50 {
limit = 50
}
if feedId == "__favorite__" {
if newerFirst {
articles, err = db.GetUserFavoriteArticlesDesc(user, limit, offset)
} else {
articles, err = db.GetUserFavoriteArticles(user, limit, offset)
}
if err != nil {
break
}
} else if feedId == "tag:__all__" {
if newerFirst {
if unreadOnly {
articles, err = db.GetUnreadUserArticlesDesc(user, limit, offset)
} else {
articles, err = db.GetUserArticlesDesc(user, limit, offset)
}
} else {
if unreadOnly {
articles, err = db.GetUnreadUserArticles(user, limit, offset)
} else {
articles, err = db.GetUserArticles(user, limit, offset)
}
}
if err != nil {
break
}
} else if strings.HasPrefix(feedId, "tag:") {
tag := feedId[4:]
if newerFirst {
if unreadOnly {
articles, err = db.GetUnreadUserTagArticlesDesc(user, tag, limit, offset)
} else {
articles, err = db.GetUserTagArticlesDesc(user, tag, limit, offset)
}
} else {
if unreadOnly {
articles, err = db.GetUnreadUserTagArticles(user, tag, limit, offset)
} else {
articles, err = db.GetUserTagArticles(user, tag, limit, offset)
}
}
if err != nil {
break
}
} else {
var f readeef.Feed
var id int64
id, err = strconv.ParseInt(feedId, 10, 64)
if err != nil {
err = errors.New("Unknown feed id " + feedId)
break
}
f, err = db.GetFeed(id)
/* TODO: non-fatal error */
if err != nil {
break
}
f.User = user
if newerFirst {
if unreadOnly {
f, err = db.GetUnreadFeedArticlesDesc(f, limit, offset)
} else {
f, err = db.GetFeedArticlesDesc(f, limit, offset)
}
} else {
if unreadOnly {
f, err = db.GetUnreadFeedArticles(f, limit, offset)
} else {
f, err = db.GetFeedArticles(f, limit, offset)
}
}
if err != nil {
break
}
articles = f.Articles
}
resp["Articles"] = articles
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err == nil {
w.Write(b)
} else {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
}
}
}
func (con Article) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
action := params["action"]
readeef.Debug.Printf("Invoking Article controller with action '%s', feed id '%s' and article id '%s'\n", action, params["feed-id"], params["article-id"])
var feedId int64
feedId, err = strconv.ParseInt(params["feed-id"], 10, 64)
var article readeef.Article
if err == nil {
article, err = db.GetFeedArticle(feedId, params["article-id"], user)
}
if err == nil {
switch action {
case "read":
read := params["value"] == "true"
previouslyRead := article.Read
if previouslyRead != read {
err = db.MarkUserArticlesAsRead(user, []readeef.Article{article}, read)
if err != nil {
break
}
}
type response struct {
Success bool
Read bool
}
resp := response{Success: previouslyRead != read, Read: read}
var b []byte
b, err = json.Marshal(resp)
if err != nil {
break
}
w.Write(b)
case "favorite":
favorite := params["value"] == "true"
previouslyFavorite := article.Favorite
if previouslyFavorite != favorite {
err = db.MarkUserArticlesAsFavorite(user, []readeef.Article{article}, favorite)
if err != nil {
break
}
}
type response struct {
Success bool
Favorite bool
}
resp := response{Success: previouslyFavorite != favorite, Favorite: favorite}
var b []byte
b, err = json.Marshal(resp)
if err != nil {
break
}
w.Write(b)
}
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
}
}
}
func (con Feed) Handler(c context.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
action := webfw.GetMultiPatternIdentifier(c, r)
user := readeef.GetUser(c, r)
r.ParseForm()
var resp responseError
var feedId int64
params := webfw.GetParams(c, r)
switch action {
case "list":
resp = listFeeds(user)
case "discover":
link := r.FormValue("url")
resp = discoverFeeds(user, con.fm, link)
case "opml-export":
resp = exportOpml(user)
case "opml":
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
resp = parseOpml(user, con.fm, buf.Bytes())
case "add":
links := r.Form["url"]
resp = addFeeds(user, con.fm, links)
case "remove":
if feedId, resp.err = strconv.ParseInt(params["feed-id"], 10, 64); resp.err == nil {
resp = removeFeed(user, con.fm, data.FeedId(feedId))
}
case "tags":
if feedId, resp.err = strconv.ParseInt(params["feed-id"], 10, 64); resp.err == nil {
if r.Method == "GET" {
resp = getFeedTags(user, data.FeedId(feedId))
} else if r.Method == "POST" {
if b, err := ioutil.ReadAll(r.Body); err == nil {
tags := []data.TagValue{}
if err = json.Unmarshal(b, &tags); err != nil {
resp.err = fmt.Errorf("Error decoding request body: %s", err)
break
}
resp = setFeedTags(user, data.FeedId(feedId), tags)
} else {
resp.err = fmt.Errorf("Error reading request body: %s", err)
break
}
}
}
case "read":
var timestamp, beforeId int64
if bid, ok := params["before-id"]; ok {
beforeId, resp.err = strconv.ParseInt(bid, 10, 64)
} else {
timestamp, resp.err = strconv.ParseInt(params["timestamp"], 10, 64)
}
if resp.err == nil {
resp = readState(user, params["feed-id"], data.ArticleId(beforeId), timestamp)
}
case "articles":
var limit, offset int
if limit, resp.err = strconv.Atoi(params["limit"]); resp.err == nil {
if offset, resp.err = strconv.Atoi(params["offset"]); resp.err == nil {
minId, _ := strconv.ParseInt(params["min-id"], 10, 64)
maxId, _ := strconv.ParseInt(params["max-id"], 10, 64)
resp = getFeedArticles(user, con.sp, params["feed-id"],
data.ArticleId(minId), data.ArticleId(maxId),
limit, offset, params["older-first"] == "true", params["unread-only"] == "true")
}
}
}
switch resp.err {
case readeef.ErrNoAbsolute:
resp.val["Error"] = true
resp.val["ErrorType"] = errTypeNoAbsolute
resp.err = nil
case readeef.ErrNoFeed:
resp.val["Error"] = true
resp.val["ErrorType"] = errTypeNoFeed
resp.err = nil
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err == nil {
w.Write(b)
} else {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
}
})
}
func (con HubbubController) Handler(c context.Context) http.Handler {
logger := webfw.GetLogger(c)
repo := readeef.GetRepo(c)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
pathParams := webfw.GetParams(c, r)
feedId, err := strconv.ParseInt(pathParams["feed-id"], 10, 64)
if err != nil {
logger.Print(err)
return
}
f := repo.FeedById(data.FeedId(feedId))
s := f.Subscription()
err = s.Err()
if err != nil {
logger.Print(err)
return
}
logger.Infoln("Receiving hubbub event " + params.Get("hub.mode") + " for " + f.String())
data := s.Data()
switch params.Get("hub.mode") {
case "subscribe":
if lease, err := strconv.Atoi(params.Get("hub.lease_seconds")); err == nil {
data.LeaseDuration = int64(lease) * int64(time.Second)
}
data.VerificationTime = time.Now()
w.Write([]byte(params.Get("hub.challenge")))
case "unsubscribe":
// Nothing to do here, the subscription will be removed along with the feed by the manager
w.Write([]byte(params.Get("hub.challenge")))
case "denied":
w.Write([]byte{})
logger.Printf("Unable to subscribe to '%s': %s\n", params.Get("hub.topic"), params.Get("hub.reason"))
default:
w.Write([]byte{})
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
if _, err := buf.ReadFrom(r.Body); err != nil {
logger.Print(err)
return
}
newArticles := false
if pf, err := parser.ParseFeed(buf.Bytes(), parser.ParseRss2, parser.ParseAtom, parser.ParseRss1); err == nil {
f.Refresh(pf)
f.Update()
if f.HasErr() {
logger.Print(f.Err())
return
}
newArticles = len(f.NewArticles()) > 0
} else {
logger.Print(err)
return
}
if newArticles {
for _, m := range con.hubbub.FeedMonitors() {
if err := m.FeedUpdated(f); err != nil {
logger.Printf("Error invoking monitor '%s' on updated feed '%s': %v\n",
reflect.TypeOf(m), f, err)
}
}
}
return
}
switch params.Get("hub.mode") {
case "subscribe":
data.SubscriptionFailure = false
case "unsubscribe", "denied":
data.SubscriptionFailure = true
}
s.Data(data)
s.Update()
if s.HasErr() {
logger.Print(fmt.Errorf("Error updating subscription %s: %v\n", s, s.Err()))
return
}
if data.SubscriptionFailure {
con.removeFeed <- f
} else {
con.addFeed <- f
}
})
}
func (con Feed) Handler(c context.Context) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
action := webfw.GetMultiPatternIdentifier(c, r)
user := readeef.GetUser(c, r)
r.ParseForm()
var resp responseError
var feedId int64
params := webfw.GetParams(c, r)
if resp.err == nil {
switch action {
case "list":
resp = listFeeds(user)
case "discover":
link := r.FormValue("url")
resp = discoverFeeds(user, con.fm, link)
case "opml":
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
resp = parseOpml(user, con.fm, buf.Bytes())
case "add":
links := r.Form["url"]
resp = addFeed(user, con.fm, links)
case "remove":
if feedId, resp.err = strconv.ParseInt(params["feed-id"], 10, 64); resp.err == nil {
resp = removeFeed(user, con.fm, data.FeedId(feedId))
}
case "tags":
if feedId, resp.err = strconv.ParseInt(params["feed-id"], 10, 64); resp.err == nil {
if r.Method == "GET" {
resp = getFeedTags(user, data.FeedId(feedId))
} else if r.Method == "POST" {
decoder := json.NewDecoder(r.Body)
tags := []data.TagValue{}
if resp.err = decoder.Decode(&tags); resp.err != nil && resp.err != io.EOF {
break
}
resp.err = nil
resp = setFeedTags(user, data.FeedId(feedId), tags)
}
}
case "read":
var timestamp int64
if timestamp, resp.err = strconv.ParseInt(params["timestamp"], 10, 64); resp.err == nil {
resp = markFeedAsRead(user, params["feed-id"], timestamp)
}
case "articles":
var limit, offset int
if limit, resp.err = strconv.Atoi(params["limit"]); resp.err == nil {
if offset, resp.err = strconv.Atoi(params["offset"]); resp.err == nil {
resp = getFeedArticles(user, params["feed-id"], limit, offset,
params["newer-first"] == "true", params["unread-only"] == "true")
}
}
}
}
switch resp.err {
case readeef.ErrNoAbsolute:
resp.val["Error"] = true
resp.val["ErrorType"] = errTypeNoAbsolute
resp.err = nil
case readeef.ErrNoFeed:
resp.val["Error"] = true
resp.val["ErrorType"] = errTypeNoFeed
resp.err = nil
}
var b []byte
if resp.err == nil {
b, resp.err = json.Marshal(resp.val)
}
if resp.err == nil {
w.Write(b)
} else {
webfw.GetLogger(c).Print(resp.err)
w.WriteHeader(http.StatusInternalServerError)
}
})
}
func (con HubbubController) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
defer r.Body.Close()
params := r.URL.Query()
pathParams := webfw.GetParams(c, r)
feedId, err := strconv.ParseInt(pathParams["feed-id"], 10, 64)
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
s, err := con.hubbub.db.GetHubbubSubscription(feedId)
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
f, err := con.hubbub.db.GetFeed(s.FeedId)
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
Debug.Println("Receiving hubbub event " + params.Get("hub.mode") + " for " + f.Link)
switch params.Get("hub.mode") {
case "subscribe":
if lease, err := strconv.Atoi(params.Get("hub.lease_seconds")); err == nil {
s.LeaseDuration = int64(lease) * int64(time.Second)
}
s.VerificationTime = time.Now()
w.Write([]byte(params.Get("hub.challenge")))
case "unsubscribe":
w.Write([]byte(params.Get("hub.challenge")))
case "denied":
w.Write([]byte{})
webfw.GetLogger(c).Printf("Unable to subscribe to '%s': %s\n", params.Get("hub.topic"), params.Get("hub.reason"))
default:
w.Write([]byte{})
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
if _, err := buf.ReadFrom(r.Body); err != nil {
webfw.GetLogger(c).Print(err)
return
}
newArticles := false
if pf, err := parser.ParseFeed(buf.Bytes(), parser.ParseRss2, parser.ParseAtom, parser.ParseRss1); err == nil {
f = f.UpdateFromParsed(pf)
_, newArticles, err = con.hubbub.db.UpdateFeed(f)
if err != nil {
webfw.GetLogger(c).Print(err)
return
}
} else {
webfw.GetLogger(c).Print(err)
return
}
if newArticles {
con.hubbub.updateFeed <- f
}
return
}
switch params.Get("hub.mode") {
case "subscribe":
s.SubscriptionFailure = false
case "unsubscribe", "denied":
s.SubscriptionFailure = true
}
if err := con.hubbub.db.UpdateHubbubSubscription(s); err != nil {
webfw.GetLogger(c).Print(err)
return
}
if s.SubscriptionFailure {
con.hubbub.removeFeed <- f
} else {
con.hubbub.addFeed <- f
}
}
}
func (con UserSettings) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
params := webfw.GetParams(c, r)
attr := params["attribute"]
resp := map[string]interface{}{"Login": user.Login}
if r.Method == "GET" {
switch attr {
case "FirstName":
resp[attr] = user.FirstName
case "LastName":
resp[attr] = user.LastName
case "Email":
resp[attr] = user.Email
case "ProfileData":
resp[attr] = user.ProfileData
default:
err = errors.New("Error getting user attribute: unknown attribute " + attr)
}
} else if r.Method == "POST" {
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
switch attr {
case "FirstName":
user.FirstName = buf.String()
case "LastName":
user.LastName = buf.String()
case "Email":
user.Email = buf.String()
case "ProfileData":
err = json.Unmarshal(buf.Bytes(), &user.ProfileData)
case "password":
data := struct {
Current string
New string
}{}
err = json.Unmarshal(buf.Bytes(), &data)
if err == nil {
/* TODO: non-fatal error */
if user.Authenticate(data.Current) {
err = user.SetPassword(data.New)
} else {
err = errors.New("Error change user password: current password is invalid")
}
}
default:
err = errors.New("Error getting user attribute: unknown attribute " + attr)
}
if err == nil {
err = db.UpdateUser(user)
}
if err == nil {
resp["Success"] = true
resp["Attribute"] = attr
}
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
}
}
func (con User) Handler(c context.Context) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var err error
db := readeef.GetDB(c)
user := readeef.GetUser(c, r)
if !user.Admin {
readeef.Debug.Println("User " + user.Login + " is not an admin")
w.WriteHeader(http.StatusForbidden)
return
}
action := webfw.GetMultiPatternIdentifier(c, r)
params := webfw.GetParams(c, r)
resp := make(map[string]interface{})
switch action {
case "list":
users, err := db.GetUsers()
if err != nil {
break
}
type user struct {
Login string
FirstName string
LastName string
Email string
Active bool
Admin bool
}
userList := []user{}
for _, u := range users {
userList = append(userList, user{
Login: u.Login,
FirstName: u.FirstName,
LastName: u.LastName,
Email: u.Email,
Active: u.Active,
Admin: u.Admin,
})
}
resp["Users"] = userList
case "add":
login := params["login"]
_, err = db.GetUser(login)
/* TODO: non-fatal error */
if err == nil {
err = errors.New("User with login " + login + " already exists")
break
} else if err != sql.ErrNoRows {
break
}
buf := util.BufferPool.GetBuffer()
defer util.BufferPool.Put(buf)
buf.ReadFrom(r.Body)
u := readeef.User{Login: login}
err = u.SetPassword(buf.String())
if err != nil {
break
}
err = db.UpdateUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
case "remove":
login := params["login"]
if user.Login == login {
err = errors.New("The current user cannot be removed")
break
}
var u readeef.User
u, err = db.GetUser(login)
if err != nil {
break
}
err = db.DeleteUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
case "active":
login := params["login"]
if user.Login == login {
err = errors.New("The current user cannot be removed")
break
}
active := params["state"] == "true"
var u readeef.User
u, err = db.GetUser(login)
if err != nil {
break
}
u.Active = active
err = db.UpdateUser(u)
if err != nil {
break
}
resp["Success"] = true
resp["Login"] = login
}
var b []byte
if err == nil {
b, err = json.Marshal(resp)
}
if err != nil {
webfw.GetLogger(c).Print(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Write(b)
}
}