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author | Debanshu Kundu <debanshu.kundu@joshtechnologygroup.com> | 2017-01-20 23:11:13 +0530 |
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committer | enahum <nahumhbl@gmail.com> | 2017-01-20 14:41:13 -0300 |
commit | 3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4 (patch) | |
tree | b954407a03a6c0ed9836d8b14d910fc52c8dc1dc /api/post.go | |
parent | fefe4b70d9e69910a8e3acd6890497553b5eff2f (diff) | |
download | chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.tar.gz chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.tar.bz2 chat-3aaf71fdea914af1a7f2b2fb97bb6ae44132fcc4.zip |
#4257 Added functionality to create previews for post links using open graph data from those links. (#4890)
Diffstat (limited to 'api/post.go')
-rw-r--r-- | api/post.go | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/api/post.go b/api/post.go index 0e3ad2aa5..ba089ec4f 100644 --- a/api/post.go +++ b/api/post.go @@ -8,6 +8,7 @@ import ( "strconv" l4g "github.com/alecthomas/log4go" + "github.com/dyatlov/go-opengraph/opengraph" "github.com/gorilla/mux" "github.com/mattermost/platform/app" "github.com/mattermost/platform/model" @@ -18,6 +19,8 @@ import ( func InitPost() { l4g.Debug(utils.T("api.post.init.debug")) + BaseRoutes.ApiRoot.Handle("/get_opengraph_metadata", ApiUserRequired(getOpenGraphMetadata)).Methods("POST") + BaseRoutes.NeedTeam.Handle("/posts/search", ApiUserRequiredActivity(searchPosts, true)).Methods("POST") BaseRoutes.NeedTeam.Handle("/posts/flagged/{offset:[0-9]+}/{limit:[0-9]+}", ApiUserRequired(getFlaggedPosts)).Methods("GET") BaseRoutes.NeedTeam.Handle("/posts/{post_id}", ApiUserRequired(getPostById)).Methods("GET") @@ -649,3 +652,29 @@ func getFileInfosForPost(c *Context, w http.ResponseWriter, r *http.Request) { w.Write([]byte(model.FileInfosToJson(infos))) } } + +func getOpenGraphMetadata(c *Context, w http.ResponseWriter, r *http.Request) { + props := model.StringInterfaceFromJson(r.Body) + og := opengraph.NewOpenGraph() + + res, err := http.Get(props["url"].(string)) + if err != nil { + writeOpenGraphToResponse(w, og) + return + } + + if err := og.ProcessHTML(res.Body); err != nil { + writeOpenGraphToResponse(w, og) + return + } + + writeOpenGraphToResponse(w, og) +} + +func writeOpenGraphToResponse(w http.ResponseWriter, og *opengraph.OpenGraph) { + ogJson, err := og.ToJSON() + if err != nil { + w.Write([]byte(`{"url": ""}`)) + } + w.Write(ogJson) +} |