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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| /* | ||
| Copyright 2024 Dima Krasner | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package front | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/dimkr/tootik/front/text" | ||
| "github.com/dimkr/tootik/icon" | ||
| "github.com/dimkr/tootik/outbox" | ||
| "io" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| var supportedImageTypes = map[string]struct{}{ | ||
| "image/png": {}, | ||
| "image/jpeg": {}, | ||
| "image/gif": {}, | ||
| } | ||
|
|
||
| func (h *Handler) uploadAvatar(w text.Writer, r *request, args ...string) { | ||
| if r.User == nil { | ||
| w.Redirect("/users") | ||
| return | ||
| } | ||
|
|
||
| if r.Body == nil { | ||
| w.Redirect("/users/oops") | ||
| return | ||
| } | ||
|
|
||
| var sizeStr, mimeType string | ||
| if args[1] == "size" && args[3] == "mime" { | ||
| sizeStr = args[2] | ||
| mimeType = args[4] | ||
| } else if args[1] == "mime" && args[3] == "size" { | ||
| sizeStr = args[4] | ||
| mimeType = args[2] | ||
| } else { | ||
| r.Log.Warn("Invalid parameters") | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| size, err := strconv.ParseInt(sizeStr, 10, 64) | ||
| if err != nil { | ||
| r.Log.Warn("Failed to parse avatar size", "error", err) | ||
| w.Status(40, "Invalid size") | ||
| return | ||
| } | ||
|
|
||
| if size > r.Handler.Config.MaxAvatarSize { | ||
| r.Log.Warn("Image is too big", "size", size) | ||
| w.Status(40, "Image is too big") | ||
| return | ||
| } | ||
|
|
||
| if _, ok := supportedImageTypes[mimeType]; !ok { | ||
| r.Log.Warn("Image type is unsupported", "type", mimeType) | ||
| w.Status(40, "Unsupported image type") | ||
| return | ||
| } | ||
|
|
||
| now := time.Now() | ||
|
|
||
| if (r.User.Updated != nil && now.Sub(r.User.Updated.Time) < h.Config.MinActorEditInterval) || (r.User.Updated == nil && now.Sub(r.User.Published.Time) < h.Config.MinActorEditInterval) { | ||
| r.Log.Warn("Throttled request to set avatar") | ||
| w.Status(40, "Please try again later") | ||
| return | ||
| } | ||
|
|
||
| buf := make([]byte, size) | ||
| n, err := io.ReadFull(r.Body, buf) | ||
| if err != nil { | ||
| r.Log.Warn("Failed to read avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| if int64(n) != size { | ||
| r.Log.Warn("Avatar is truncated") | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| resized, err := icon.Scale(r.Handler.Config, buf) | ||
| if err != nil { | ||
| r.Log.Warn("Failed to read avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| tx, err := r.DB.BeginTx(r.Context, nil) | ||
| if err != nil { | ||
| r.Log.Warn("Failed to set avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
| defer tx.Rollback() | ||
|
|
||
| if _, err := tx.ExecContext( | ||
| r.Context, | ||
| "update persons set actor = json_set(actor, '$.icon.url', $1, '$.updated', $2) where id = $3", | ||
| // we add fragment because some servers cache the image until the URL changes | ||
| fmt.Sprintf("https://%s/icon/%s%s#%d", r.Handler.Domain, r.User.PreferredUsername, icon.FileNameExtension, now.UnixNano()), | ||
| now.Format(time.RFC3339Nano), | ||
| r.User.ID, | ||
| ); err != nil { | ||
| r.Log.Error("Failed to set avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| if _, err := tx.ExecContext( | ||
| r.Context, | ||
| "insert into icons(name, buf) values($1, $2) on conflict(name) do update set buf = $2", | ||
| r.User.PreferredUsername, | ||
| string(resized), | ||
| ); err != nil { | ||
| r.Log.Error("Failed to set avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| if err := outbox.UpdateActor(r.Context, h.Domain, tx, r.User.ID); err != nil { | ||
| r.Log.Error("Failed to set avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| if err := tx.Commit(); err != nil { | ||
| r.Log.Error("Failed to set avatar", "error", err) | ||
| w.Error() | ||
| return | ||
| } | ||
|
|
||
| w.Redirectf("gemini://%s/users/outbox/%s", r.Handler.Domain, strings.TrimPrefix(r.User.ID, "https://")) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /* | ||
| Copyright 2023, 2024 Dima Krasner | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| // Package icon generates tiny, pseudo-random user avatars. | ||
| package icon | ||
|
|
||
| const ( | ||
| MediaType = "image/gif" | ||
| FileNameExtension = ".gif" | ||
| ) |
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