func (controller TtRss) Handler(c context.Context) http.Handler {
repo := readeef.GetRepo(c)
logger := webfw.GetLogger(c)
config := readeef.GetConfig(c)
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
action := webfw.GetMultiPatternIdentifier(c, r)
if action == "redirecter" {
http.Redirect(w, r, "/", http.StatusMovedPermanently)
}
req := ttRssRequest{}
resp := ttRssResponse{}
var err error
var errType string
var user content.User
var con interface{}
switch {
default:
var b []byte
in := map[string]interface{}{}
if b, err = ioutil.ReadAll(r.Body); err != nil {
err = fmt.Errorf("reading request body: %s", err)
break
}
if err = json.Unmarshal(b, &in); err != nil {
err = fmt.Errorf("decoding JSON request: %s", err)
break
}
req = ttRssConvertRequest(in)
logger.Debugf("Request: %#v\n", req)
resp.Seq = req.Seq
if req.Op != "login" && req.Op != "isLoggedIn" {
if sess, ok := ttRssSessions[req.Sid]; ok {
user = repo.UserByLogin(data.Login(sess.login))
if repo.Err() != nil {
errType = "NOT_LOGGED_IN"
} else {
sess.lastVisit = time.Now()
ttRssSessions[req.Sid] = sess
}
} else {
errType = "NOT_LOGGED_IN"
}
}
if errType != "" {
logger.Debugf("TT-RSS Sessions: %#v\n", ttRssSessions)
break
}
logger.Debugf("TT-RSS OP: %s\n", req.Op)
switch req.Op {
case "getApiLevel":
con = ttRssGenericContent{Level: TTRSS_API_LEVEL}
case "getVersion":
con = ttRssGenericContent{Version: TTRSS_VERSION}
case "login":
user = repo.UserByLogin(data.Login(req.User))
if repo.Err() != nil {
errType = "LOGIN_ERROR"
err = fmt.Errorf("getting TT-RSS user: %s", repo.Err())
break
}
if !user.Authenticate(req.Password, []byte(config.Auth.Secret)) {
errType = "LOGIN_ERROR"
err = fmt.Errorf("authentication for TT-RSS user '%s'", user.Data().Login)
break
}
var sessId string
login := user.Data().Login
for id, sess := range ttRssSessions {
if sess.login == login {
sessId = id
}
}
if sessId == "" {
sessId = strings.Replace(util.UUID(), "-", "", -1)
ttRssSessions[sessId] = ttRssSession{login: login, lastVisit: time.Now()}
}
con = ttRssGenericContent{
ApiLevel: TTRSS_API_LEVEL,
SessionId: sessId,
}
case "logout":
delete(ttRssSessions, req.Sid)
con = ttRssGenericContent{Status: "OK"}
case "isLoggedIn":
if _, ok := ttRssSessions[req.Sid]; ok {
con = ttRssGenericContent{Status: true}
} else {
con = ttRssGenericContent{Status: false}
}
case "getUnread":
var ar content.ArticleRepo
o := data.ArticleCountOptions{UnreadOnly: true}
if req.IsCat {
tagId := data.TagId(req.FeedId)
if tagId > 0 {
ar = user.TagById(tagId)
} else if tagId == TTRSS_CAT_UNCATEGORIZED {
ar = user
o.UntaggedOnly = true
} else if tagId == TTRSS_CAT_SPECIAL {
ar = user
o.FavoriteOnly = true
}
} else {
switch req.FeedId {
case TTRSS_FAVORITE_ID:
ar = user
o.FavoriteOnly = true
case TTRSS_FRESH_ID:
ar = user
o.AfterDate = time.Now().Add(TTRSS_FRESH_DURATION)
case TTRSS_ALL_ID, 0:
ar = user
default:
if req.FeedId > 0 {
feed := user.FeedById(req.FeedId)
if feed.HasErr() {
err = feed.Err()
break
}
ar = feed
}
}
}
if ar == nil {
con = ttRssGenericContent{Unread: "0"}
} else if con == nil {
con = ttRssGenericContent{Unread: strconv.FormatInt(ar.Count(o), 10)}
}
case "getCounters":
if req.OutputMode == "" {
req.OutputMode = "flc"
}
cContent := ttRssCountersContent{}
o := data.ArticleCountOptions{UnreadOnly: true}
unreadCount := user.Count(o)
cContent = append(cContent,
ttRssCounter{Id: "global-unread", Counter: unreadCount})
feeds := user.AllFeeds()
cContent = append(cContent,
ttRssCounter{Id: "subscribed-feeds", Counter: int64(len(feeds))})
cContent = append(cContent, ttRssCounter{Id: TTRSS_ARCHIVED_ID})
cContent = append(cContent,
ttRssCounter{Id: TTRSS_FAVORITE_ID,
Counter: user.Count(data.ArticleCountOptions{UnreadOnly: true, FavoriteOnly: true}),
AuxCounter: user.Count(data.ArticleCountOptions{FavoriteOnly: true})})
cContent = append(cContent, ttRssCounter{Id: TTRSS_PUBLISHED_ID})
freshTime := time.Now().Add(TTRSS_FRESH_DURATION)
cContent = append(cContent,
ttRssCounter{Id: TTRSS_FRESH_ID,
Counter: user.Count(data.ArticleCountOptions{UnreadOnly: true, AfterDate: freshTime}),
AuxCounter: 0})
cContent = append(cContent,
ttRssCounter{Id: TTRSS_ALL_ID,
Counter: user.Count(),
AuxCounter: 0})
for _, f := range feeds {
cContent = append(cContent,
ttRssCounter{Id: int64(f.Data().Id), Counter: f.Count(o)},
)
}
cContent = append(cContent, ttRssCounter{Id: TTRSS_CAT_LABELS, Counter: 0, Kind: "cat"})
for _, t := range user.Tags() {
cContent = append(cContent,
ttRssCounter{
Id: int64(t.Data().Id),
Counter: t.Count(o),
Kind: "cat",
},
)
}
cContent = append(cContent,
ttRssCounter{
Id: TTRSS_CAT_UNCATEGORIZED,
Counter: user.Count(data.ArticleCountOptions{UnreadOnly: true, UntaggedOnly: true}),
Kind: "cat",
},
)
if user.HasErr() {
err = fmt.Errorf("Error getting user counters: %v\n", user.Err())
}
con = cContent
case "getFeeds":
fContent := ttRssFeedsContent{}
if req.CatId == TTRSS_CAT_ALL || req.CatId == TTRSS_CAT_SPECIAL {
unreadFav := user.Count(data.ArticleCountOptions{UnreadOnly: true, FavoriteOnly: true})
if unreadFav > 0 || !req.UnreadOnly {
fContent = append(fContent, ttRssFeed{
Id: TTRSS_FAVORITE_ID,
Title: ttRssSpecialTitle(TTRSS_FAVORITE_ID),
Unread: unreadFav,
CatId: TTRSS_FAVORITE_ID,
})
}
freshTime := time.Now().Add(TTRSS_FRESH_DURATION)
unreadFresh := user.Count(data.ArticleCountOptions{UnreadOnly: true, AfterDate: freshTime})
if unreadFresh > 0 || !req.UnreadOnly {
fContent = append(fContent, ttRssFeed{
Id: TTRSS_FRESH_ID,
Title: ttRssSpecialTitle(TTRSS_FRESH_ID),
Unread: unreadFresh,
CatId: TTRSS_FAVORITE_ID,
})
}
unreadAll := user.Count(data.ArticleCountOptions{UnreadOnly: true})
if unreadAll > 0 || !req.UnreadOnly {
fContent = append(fContent, ttRssFeed{
Id: TTRSS_ALL_ID,
Title: ttRssSpecialTitle(TTRSS_ALL_ID),
Unread: unreadAll,
CatId: TTRSS_FAVORITE_ID,
})
}
}
var feeds []content.UserFeed
var catId int
if req.CatId == TTRSS_CAT_ALL || req.CatId == TTRSS_CAT_ALL_EXCEPT_VIRTUAL {
feeds = user.AllFeeds()
} else {
if req.CatId == TTRSS_CAT_UNCATEGORIZED {
tagged := user.AllTaggedFeeds()
for _, t := range tagged {
if len(t.Tags()) == 0 {
feeds = append(feeds, t)
}
}
} else if req.CatId > 0 {
catId = int(req.CatId)
t := user.TagById(req.CatId)
tagged := t.AllFeeds()
if t.HasErr() {
err = t.Err()
break
}
for _, t := range tagged {
feeds = append(feeds, t)
}
}
}
if len(feeds) > 0 {
o := data.ArticleCountOptions{UnreadOnly: true}
for i := range feeds {
if req.Limit > 0 {
if i < req.Offset || i >= req.Limit+req.Offset {
continue
}
}
d := feeds[i].Data()
unread := feeds[i].Count(o)
if unread > 0 || !req.UnreadOnly {
fContent = append(fContent, ttRssFeed{
Id: d.Id,
Title: d.Title,
FeedUrl: d.Link,
CatId: catId,
Unread: unread,
LastUpdated: time.Now().Unix(),
OrderId: 0,
})
}
}
}
if user.HasErr() {
err = fmt.Errorf("Error getting user feeds: %v\n", user.Err())
}
con = fContent
case "getCategories":
cContent := ttRssCategoriesContent{}
o := data.ArticleCountOptions{UnreadOnly: true}
for _, t := range user.Tags() {
td := t.Data()
count := t.Count(o)
if count > 0 || !req.UnreadOnly {
cContent = append(cContent,
ttRssCat{Id: strconv.FormatInt(int64(td.Id), 10), Title: string(td.Value), Unread: count},
)
}
}
count := user.Count(data.ArticleCountOptions{UnreadOnly: true, UntaggedOnly: true})
if count > 0 || !req.UnreadOnly {
cContent = append(cContent,
ttRssCat{Id: strconv.FormatInt(TTRSS_CAT_UNCATEGORIZED, 10), Title: "Uncategorized", Unread: count},
)
}
o.FavoriteOnly = true
count = user.Count(o)
if count > 0 || !req.UnreadOnly {
cContent = append(cContent,
ttRssCat{Id: strconv.FormatInt(TTRSS_CAT_SPECIAL, 10), Title: "Special", Unread: count},
)
}
con = cContent
case "getHeadlines":
if req.FeedId == 0 {
errType = "INCORRECT_USAGE"
break
}
limit := req.Limit
if limit == 0 {
limit = 200
}
var articles []content.UserArticle
var articleRepo content.ArticleRepo
var feedTitle string
firstId := data.ArticleId(0)
o := data.ArticleQueryOptions{Limit: limit, Offset: req.Skip, UnreadFirst: true, SkipSessionProcessors: true}
if req.IsCat {
if req.FeedId == TTRSS_CAT_UNCATEGORIZED {
ttRssSetupSorting(req, user)
articleRepo = user
o.UntaggedOnly = true
feedTitle = "Uncategorized"
} else if req.FeedId > 0 {
t := user.TagById(data.TagId(req.FeedId))
ttRssSetupSorting(req, t)
articleRepo = t
feedTitle = string(t.Data().Value)
}
} else {
if req.FeedId == TTRSS_FAVORITE_ID {
ttRssSetupSorting(req, user)
o.FavoriteOnly = true
articleRepo = user
feedTitle = "Starred articles"
} else if req.FeedId == TTRSS_FRESH_ID {
ttRssSetupSorting(req, user)
o.AfterDate = time.Now().Add(TTRSS_FRESH_DURATION)
articleRepo = user
feedTitle = "Fresh articles"
} else if req.FeedId == TTRSS_ALL_ID {
ttRssSetupSorting(req, user)
articleRepo = user
feedTitle = "All articles"
} else if req.FeedId > 0 {
feed := user.FeedById(req.FeedId)
ttRssSetupSorting(req, feed)
articleRepo = feed
feedTitle = feed.Data().Title
}
}
if req.SinceId > 0 {
o.AfterId = req.SinceId
}
if articleRepo != nil {
if req.Search != "" {
if controller.sp != nil {
if as, ok := articleRepo.(content.ArticleSearch); ok {
articles = as.Query(req.Search, controller.sp, limit, req.Skip)
}
}
} else {
var skip bool
switch req.ViewMode {
case "all_articles":
case "adaptive":
case "unread":
o.UnreadOnly = true
case "marked":
o.FavoriteOnly = true
default:
skip = true
}
if !skip {
articles = articleRepo.Articles(o)
}
}
}
if len(articles) > 0 {
firstId = articles[0].Data().Id
}
headlines := ttRssHeadlinesFromArticles(articles, feedTitle, req.ShowContent, req.ShowExcerpt)
if req.IncludeHeader {
header := ttRssHeadlinesHeader{Id: req.FeedId, FirstId: firstId, IsCat: req.IsCat}
hContent := ttRssHeadlinesHeaderContent{}
hContent = append(hContent, header)
hContent = append(hContent, headlines)
con = hContent
} else {
con = headlines
}
case "updateArticle":
articles := user.ArticlesById(req.ArticleIds, data.ArticleQueryOptions{SkipSessionProcessors: true})
updateCount := int64(0)
switch req.Field {
case 0, 2:
for _, a := range articles {
d := a.Data()
updated := false
switch req.Field {
case 0:
switch req.Mode {
case 0:
if d.Favorite {
updated = true
d.Favorite = false
}
case 1:
if !d.Favorite {
updated = true
d.Favorite = true
}
case 2:
updated = true
d.Favorite = !d.Favorite
}
if updated {
a.Favorite(d.Favorite)
}
case 2:
switch req.Mode {
case 0:
if !d.Read {
updated = true
d.Read = true
}
case 1:
if d.Read {
updated = true
d.Read = false
}
case 2:
updated = true
d.Read = !d.Read
}
if updated {
a.Read(d.Read)
}
}
if updated {
if a.HasErr() {
err = a.Err()
break
}
updateCount++
}
}
if err != nil {
break
}
con = ttRssGenericContent{Status: "OK", Updated: updateCount}
}
case "getArticle":
articles := user.ArticlesById(req.ArticleId, data.ArticleQueryOptions{SkipSessionProcessors: true})
feedTitles := map[data.FeedId]string{}
for _, a := range articles {
d := a.Data()
if _, ok := feedTitles[d.FeedId]; !ok {
f := repo.FeedById(d.FeedId)
feedTitles[d.FeedId] = f.Data().Title
}
}
cContent := ttRssArticlesContent{}
for _, a := range articles {
d := a.Data()
title := feedTitles[d.FeedId]
h := ttRssArticle{
Id: strconv.FormatInt(int64(d.Id), 10),
Unread: !d.Read,
Marked: d.Favorite,
Updated: d.Date.Unix(),
Title: d.Title,
Link: d.Link,
FeedId: strconv.FormatInt(int64(d.FeedId), 10),
FeedTitle: title,
Content: d.Description,
}
cContent = append(cContent, h)
}
con = cContent
case "getConfig":
con = ttRssConfigContent{DaemonIsRunning: true, NumFeeds: len(user.AllFeeds())}
case "updateFeed":
con = ttRssGenericContent{Status: "OK"}
case "catchupFeed":
var ar content.ArticleRepo
o := data.ArticleUpdateStateOptions{BeforeDate: time.Now()}
if req.IsCat {
tagId := data.TagId(req.FeedId)
ar = user.TagById(tagId)
if tagId == TTRSS_CAT_UNCATEGORIZED {
o.UntaggedOnly = true
}
} else {
ar = user.FeedById(req.FeedId)
}
if ar != nil {
ar.ReadState(true, o)
if e, ok := ar.(content.Error); ok {
if e.HasErr() {
err = e.Err()
break
}
}
con = ttRssGenericContent{Status: "OK"}
}
case "getPref":
switch req.PrefName {
case "DEFAULT_UPDATE_INTERVAL":
con = ttRssGenericContent{Value: int(config.FeedManager.Converted.UpdateInterval.Minutes())}
case "DEFAULT_ARTICLE_LIMIT":
con = ttRssGenericContent{Value: 200}
case "HIDE_READ_FEEDS":
con = ttRssGenericContent{Value: user.Data().ProfileData["unreadOnly"]}
case "FEEDS_SORT_BY_UNREAD", "ENABLE_FEED_CATS", "SHOW_CONTENT_PREVIEW":
con = ttRssGenericContent{Value: true}
case "FRESH_ARTICLE_MAX_AGE":
con = ttRssGenericContent{Value: (-1 * TTRSS_FRESH_DURATION).Hours()}
}
case "getLabels":
con = []interface{}{}
case "setArticleLabel":
con = ttRssGenericContent{Status: "OK", Updated: 0}
case "shareToPublished":
errType = "Publishing failed"
case "subscribeToFeed":
f := repo.FeedByLink(req.FeedUrl)
for _, u := range f.Users() {
if u.Data().Login == user.Data().Login {
con = ttRssSubscribeContent{Status: struct {
Code int `json:"code"`
}{0}}
break
}
}
if f.HasErr() {
err = f.Err()
break
}
f, err := controller.fm.AddFeedByLink(req.FeedUrl)
if err != nil {
errType = "INCORRECT_USAGE"
break
}
uf := user.AddFeed(f)
if uf.HasErr() {
err = uf.Err()
break
}
con = ttRssSubscribeContent{Status: struct {
Code int `json:"code"`
}{1}}
case "unsubscribeFeed":
f := user.FeedById(req.FeedId)
f.Detach()
users := f.Users()
if f.HasErr() {
err = f.Err()
if err == content.ErrNoContent {
errType = "FEED_NOT_FOUND"
}
break
}
if len(users) == 0 {
controller.fm.RemoveFeed(f)
}
con = ttRssGenericContent{Status: "OK"}
case "getFeedTree":
items := []ttRssCategory{}
special := ttRssCategory{Id: "CAT:-1", Items: []ttRssCategory{}, Name: "Special", Type: "category", BareId: -1}
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_ALL_ID, false))
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_FRESH_ID, false))
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_FAVORITE_ID, false))
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_PUBLISHED_ID, false))
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_ARCHIVED_ID, false))
special.Items = append(special.Items, ttRssFeedListCategoryFeed(user, nil, TTRSS_RECENTLY_READ_ID, false))
items = append(items, special)
tf := user.AllTaggedFeeds()
uncat := ttRssCategory{Id: "CAT:0", Items: []ttRssCategory{}, BareId: 0, Name: "Uncategorized", Type: "category"}
tagCategories := map[content.Tag]ttRssCategory{}
for _, f := range tf {
tags := f.Tags()
item := ttRssFeedListCategoryFeed(user, f, f.Data().Id, true)
if len(tags) > 0 {
for _, t := range tags {
var c ttRssCategory
if cached, ok := tagCategories[t]; ok {
c = cached
} else {
c = ttRssCategory{
Id: "CAT:" + strconv.FormatInt(int64(t.Data().Id), 10),
BareId: data.FeedId(t.Data().Id),
Name: string(t.Data().Value),
Type: "category",
Items: []ttRssCategory{},
}
}
c.Items = append(c.Items, item)
tagCategories[t] = c
}
} else {
uncat.Items = append(uncat.Items, item)
}
}
categories := []ttRssCategory{uncat}
for _, c := range tagCategories {
categories = append(categories, c)
}
for _, c := range categories {
if len(c.Items) == 1 {
c.Param = "(1 feed)"
} else {
c.Param = fmt.Sprintf("(%d feed)", len(c.Items))
}
items = append(items, c)
}
fl := ttRssCategory{Identifier: "id", Label: "name"}
fl.Items = items
if user.HasErr() {
err = user.Err()
} else {
con = ttRssFeedTreeContent{Categories: fl}
}
default:
errType = "UNKNOWN_METHOD"
con = ttRssGenericContent{Method: req.Op}
}
}
if err == nil && errType == "" {
resp.Status = TTRSS_API_STATUS_OK
} else {
logger.Infof("Error processing TT-RSS API request: %s %v\n", errType, err)
resp.Status = TTRSS_API_STATUS_ERR
con = ttRssErrorContent{Error: errType}
}
var b []byte
b, err = json.Marshal(con)
if err == nil {
resp.Content = json.RawMessage(b)
}
b, err = json.Marshal(&resp)
if err == nil {
w.Header().Set("Content-Type", "text/json")
w.Header().Set("Api-Content-Length", strconv.Itoa(len(b)))
w.Write(b)
logger.Debugf("Output for %s: %s\n", req.Op, string(b))
} else {
logger.Print(fmt.Errorf("TT-RSS error %s: %v", req.Op, err))
w.WriteHeader(http.StatusInternalServerError)
}
})
}