| 1 | package tinyclient |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "io" |
| 6 | "net/http" |
| 7 | "net/url" |
| 8 | "strings" |
| 9 | ) |
| 10 | |
| 11 | func (a *App) handleSocialRoute(w http.ResponseWriter, r *http.Request) bool { |
| 12 | p := r.URL.Path |
| 13 | if p != "/articles" && p != "/social" && p != "/social.json" && p != "/social.xml" && !strings.HasPrefix(p, "/social/" ) { |
| 14 | return false |
| 15 | } |
| 16 | if !a.backend.Policy().Features.Pages { |
| 17 | http.NotFound(w, r) |
| 18 | return true |
| 19 | } |
| 20 | if p == "/social/preview" && r.Method == http.MethodPost { |
| 21 | a.socialPreviewPage(w, r) |
| 22 | return true |
| 23 | } |
| 24 | if r.Method != http.MethodGet && r.Method != http.MethodHead { |
| 25 | http.Error(w, "method not allowed" , http.StatusMethodNotAllowed) |
| 26 | return true |
| 27 | } |
| 28 | if p == "/articles" { |
| 29 | target := requestPrefix(r) + "/social" |
| 30 | if r.URL.RawQuery != "" { |
| 31 | target += "?" + r.URL.RawQuery |
| 32 | } |
| 33 | http.Redirect(w, r, target, http.StatusMovedPermanently) |
| 34 | return true |
| 35 | } |
| 36 | if p == "/social.json" || p == "/social.xml" { |
| 37 | a.socialSyndication(w, r) |
| 38 | return true |
| 39 | } |
| 40 | a.socialPage(w, r) |
| 41 | return true |
| 42 | } |
| 43 | |
| 44 | func socialParameters(q url.Values) map[string]any { |
| 45 | params := map[string]any{"limit" : 30} |
| 46 | for _, key := range []string{"kind" , "author" , "q" , "cursor" , "address" } { |
| 47 | if value := q.Get(key); value != "" { |
| 48 | params[key] = value |
| 49 | } |
| 50 | } |
| 51 | if q.Get("kind" ) == "" { |
| 52 | switch q.Get("kinds" ) { |
| 53 | case "1" : |
| 54 | params["kind" ] = "notes" |
| 55 | case "30023" : |
| 56 | params["kind" ] = "articles" |
| 57 | } |
| 58 | } |
| 59 | return params |
| 60 | } |
| 61 | |
| 62 | func (a *App) socialPage(w http.ResponseWriter, r *http.Request) { |
| 63 | actor, _ := a.resolveActor(r) |
| 64 | params := socialParameters(r.URL.Query()) |
| 65 | method, tab := "browsesocial" , "social" |
| 66 | if strings.HasPrefix(r.URL.Path, "/social/" ) { |
| 67 | params["id" ] = strings.TrimPrefix(r.URL.Path, "/social/" ) |
| 68 | method, tab = "browsesocialthread" , "social-thread" |
| 69 | } else if r.URL.Query().Get("address" ) != "" { |
| 70 | method, tab = "browsesocialthread" , "social-thread" |
| 71 | } |
| 72 | raw, err := json.Marshal(params) |
| 73 | if err != nil { |
| 74 | http.Error(w, "invalid social query" , http.StatusBadRequest) |
| 75 | return |
| 76 | } |
| 77 | result, err := a.backend.Query(r.Context(), method, []json.RawMessage{raw}, actor) |
| 78 | data := PageData{Tab: tab, Title: "Social | " + a.backend.Slug(), Event: result, Query: r.URL.Query()} |
| 79 | if tab == "social" { |
| 80 | data.Feed = browseRows(result) |
| 81 | } |
| 82 | if err != nil { |
| 83 | data.Error = err.Error() |
| 84 | if strings.HasPrefix(err.Error(), "not found:" ) { |
| 85 | w.WriteHeader(http.StatusNotFound) |
| 86 | } |
| 87 | } |
| 88 | a.render(w, r, data) |
| 89 | } |
| 90 | |
| 91 | func (a *App) socialPreviewPage(w http.ResponseWriter, r *http.Request) { |
| 92 | actor, err := a.resolveActor(r) |
| 93 | if err != nil || actor == "" { |
| 94 | http.Error(w, "Sign in to preview a draft." , http.StatusUnauthorized) |
| 95 | return |
| 96 | } |
| 97 | var input struct { |
| 98 | Content string `json:"content"` |
| 99 | Kind int `json:"kind"` |
| 100 | } |
| 101 | decoder := json.NewDecoder(http.MaxBytesReader(w, r.Body, 256*1024)) |
| 102 | decoder.DisallowUnknownFields() |
| 103 | if err := decoder.Decode(&input); err != nil { |
| 104 | http.Error(w, "Invalid preview." , http.StatusBadRequest) |
| 105 | return |
| 106 | } |
| 107 | if decoder.Decode(new(any)) != io.EOF || (input.Kind != 1 && input.Kind != 30023 && input.Kind != 1111) { |
| 108 | http.Error(w, "Invalid preview." , http.StatusBadRequest) |
| 109 | return |
| 110 | } |
| 111 | w.Header().Set("Cache-Control" , "private, no-store" ) |
| 112 | writeJSON(w, http.StatusOK, map[string]any{"html" : a.socialBody(map[string]any{"content" : input.Content, "kind" : input.Kind})}) |
| 113 | } |
| 114 | |
| 115 | func socialContext(value any, data PageData) map[string]any { |
| 116 | row := valueMap(value) |
| 117 | out := make(map[string]any, len(row)+4) |
| 118 | for key, value := range row { |
| 119 | out[key] = value |
| 120 | } |
| 121 | out["viewer" ] = data.Actor |
| 122 | out["detail" ] = data.Tab == "social-thread" |
| 123 | out["relay" ] = wsURL(data.URL) |
| 124 | out["thread" ] = valueMap(data.Event)["post" ] |
| 125 | out["parent_url" ] = socialReferenceURL(row, "parent_" ) |
| 126 | out["root_url" ] = socialReferenceURL(row, "root_" ) |
| 127 | parent := plainString(row["parent_id" ]) |
| 128 | thread := valueMap(out["thread" ]) |
| 129 | out["nested" ] = parent != "" && parent != plainString(thread["id" ]) |
| 130 | return out |
| 131 | } |
| 132 | |
| 133 | func socialReferenceURL(row map[string]any, prefix string) string { |
| 134 | if address := plainString(row[prefix+"address" ]); strings.HasPrefix(address, "30023:" ) { |
| 135 | return "/social?address=" + url.QueryEscape(address) |
| 136 | } |
| 137 | if id := plainString(row[prefix+"id" ]); hexID.MatchString(id) { |
| 138 | return "/social/" + id |
| 139 | } |
| 140 | return "" |
| 141 | } |
| 142 | |
| 143 | func socialThreadPage(path string, query url.Values, cursor string) string { |
| 144 | next := url.Values{} |
| 145 | if address := query.Get("address" ); address != "" { |
| 146 | next.Set("address" , address) |
| 147 | } |
| 148 | next.Set("cursor" , cursor) |
| 149 | return path + "?" + next.Encode() |
| 150 | } |
| 151 | |
| 152 | func socialReactionCount(value any, content string) int { |
| 153 | for _, row := range browseRows(valueMap(value)["reactions" ]) { |
| 154 | if plainString(valueMap(row)["content" ]) == content { |
| 155 | return int(unixSeconds(valueMap(row)["count" ])) |
| 156 | } |
| 157 | } |
| 158 | return 0 |
| 159 | } |
| 160 | |
| 161 | func socialReacted(value any, content string) bool { |
| 162 | for _, row := range browseRows(valueMap(value)["reactions" ]) { |
| 163 | if plainString(valueMap(row)["content" ]) == content { |
| 164 | return valueMap(row)["reacted" ] == true |
| 165 | } |
| 166 | } |
| 167 | return false |
| 168 | } |
| 169 | |
| 170 | func socialQuery(query url.Values, key, value string) string { |
| 171 | next := url.Values{} |
| 172 | for _, name := range []string{"kind" , "author" , "q" , "compose" , "address" } { |
| 173 | if v := query.Get(name); v != "" { |
| 174 | next.Set(name, v) |
| 175 | } |
| 176 | } |
| 177 | if value == "" { |
| 178 | next.Del(key) |
| 179 | } else { |
| 180 | next.Set(key, value) |
| 181 | } |
| 182 | if encoded := next.Encode(); encoded != "" { |
| 183 | return "/social?" + encoded |
| 184 | } |
| 185 | return "/social" |
| 186 | } |
| 187 | |
| 188 | func socialURL(value any) string { |
| 189 | row := valueMap(value) |
| 190 | if address := plainString(row["address" ]); address != "" { |
| 191 | return "/social?address=" + url.QueryEscape(address) |
| 192 | } |
| 193 | return "/social/" + url.PathEscape(plainString(row["id" ])) |
| 194 | } |
| 195 | |
| 196 | func (a *App) socialSyndication(w http.ResponseWriter, r *http.Request) { |
| 197 | actor, _ := a.resolveActor(r) |
| 198 | raw, err := json.Marshal(socialParameters(r.URL.Query())) |
| 199 | if err != nil { |
| 200 | http.Error(w, "invalid social query" , http.StatusBadRequest) |
| 201 | return |
| 202 | } |
| 203 | result, err := a.backend.Query(r.Context(), "browsesocial" , []json.RawMessage{raw}, actor) |
| 204 | if err != nil { |
| 205 | http.Error(w, err.Error(), publicErrorStatus(err)) |
| 206 | return |
| 207 | } |
| 208 | items := make([]map[string]any, 0) |
| 209 | for _, row := range browseRows(result) { |
| 210 | if item, ok := articleItem(row, a.backend.URL()); ok { |
| 211 | item["url" ] = strings.TrimSuffix(a.backend.URL(), "/" ) + socialURL(row) |
| 212 | if title := plainString(valueMap(row)["title" ]); title != "" { |
| 213 | item["title" ] = title |
| 214 | } |
| 215 | items = append(items, item) |
| 216 | } |
| 217 | } |
| 218 | if r.URL.Path == "/social.xml" { |
| 219 | a.writeAtom(w, items) |
| 220 | return |
| 221 | } |
| 222 | writeJSON(w, http.StatusOK, map[string]any{"version" : "https://jsonfeed.org/version/1.1" , "title" : a.backend.Slug() + " Social" , "home_page_url" : strings.TrimSuffix(a.backend.URL(), "/" ) + "/social" , "feed_url" : strings.TrimSuffix(a.backend.URL(), "/" ) + "/social.json" , "items" : items}) |
| 223 | } |
