foxwitch.net
1package repo
2
3import (
4 "context"
5 "database/sql"
6 "encoding/json"
7 "errors"
8 "fmt"
9 "io"
10 "log"
11 "log/slog"
12 "net/http"
13 "net/url"
14 "path/filepath"
15 "slices"
16 "strconv"
17 "strings"
18 "time"
19
20 comatproto "github.com/bluesky-social/indigo/api/atproto"
21 lexutil "github.com/bluesky-social/indigo/lex/util"
22 indigoxrpc "github.com/bluesky-social/indigo/xrpc"
23 "tangled.sh/tangled.sh/core/api/tangled"
24 "tangled.sh/tangled.sh/core/appview/commitverify"
25 "tangled.sh/tangled.sh/core/appview/config"
26 "tangled.sh/tangled.sh/core/appview/db"
27 "tangled.sh/tangled.sh/core/appview/notify"
28 "tangled.sh/tangled.sh/core/appview/oauth"
29 "tangled.sh/tangled.sh/core/appview/pages"
30 "tangled.sh/tangled.sh/core/appview/pages/markup"
31 "tangled.sh/tangled.sh/core/appview/reporesolver"
32 "tangled.sh/tangled.sh/core/appview/validator"
33 xrpcclient "tangled.sh/tangled.sh/core/appview/xrpcclient"
34 "tangled.sh/tangled.sh/core/eventconsumer"
35 "tangled.sh/tangled.sh/core/idresolver"
36 "tangled.sh/tangled.sh/core/patchutil"
37 "tangled.sh/tangled.sh/core/rbac"
38 "tangled.sh/tangled.sh/core/tid"
39 "tangled.sh/tangled.sh/core/types"
40 "tangled.sh/tangled.sh/core/xrpc/serviceauth"
41
42 securejoin "github.com/cyphar/filepath-securejoin"
43 "github.com/go-chi/chi/v5"
44 "github.com/go-git/go-git/v5/plumbing"
45
46 "github.com/bluesky-social/indigo/atproto/syntax"
47)
48
49type Repo struct {
50 repoResolver *reporesolver.RepoResolver
51 idResolver *idresolver.Resolver
52 config *config.Config
53 oauth *oauth.OAuth
54 pages *pages.Pages
55 spindlestream *eventconsumer.Consumer
56 db *db.DB
57 enforcer *rbac.Enforcer
58 notifier notify.Notifier
59 logger *slog.Logger
60 serviceAuth *serviceauth.ServiceAuth
61 validator *validator.Validator
62}
63
64func New(
65 oauth *oauth.OAuth,
66 repoResolver *reporesolver.RepoResolver,
67 pages *pages.Pages,
68 spindlestream *eventconsumer.Consumer,
69 idResolver *idresolver.Resolver,
70 db *db.DB,
71 config *config.Config,
72 notifier notify.Notifier,
73 enforcer *rbac.Enforcer,
74 logger *slog.Logger,
75 validator *validator.Validator,
76) *Repo {
77 return &Repo{oauth: oauth,
78 repoResolver: repoResolver,
79 pages: pages,
80 idResolver: idResolver,
81 config: config,
82 spindlestream: spindlestream,
83 db: db,
84 notifier: notifier,
85 enforcer: enforcer,
86 logger: logger,
87 validator: validator,
88 }
89}
90
91func (rp *Repo) DownloadArchive(w http.ResponseWriter, r *http.Request) {
92 ref := chi.URLParam(r, "ref")
93 ref, _ = url.PathUnescape(ref)
94
95 f, err := rp.repoResolver.Resolve(r)
96 if err != nil {
97 log.Println("failed to get repo and knot", err)
98 return
99 }
100
101 scheme := "http"
102 if !rp.config.Core.Dev {
103 scheme = "https"
104 }
105 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
106 xrpcc := &indigoxrpc.Client{
107 Host: host,
108 }
109
110 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
111 archiveBytes, err := tangled.RepoArchive(r.Context(), xrpcc, "tar.gz", "", ref, repo)
112 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
113 log.Println("failed to call XRPC repo.archive", xrpcerr)
114 rp.pages.Error503(w)
115 return
116 }
117
118 // Set headers for file download, just pass along whatever the knot specifies
119 safeRefFilename := strings.ReplaceAll(plumbing.ReferenceName(ref).Short(), "/", "-")
120 filename := fmt.Sprintf("%s-%s.tar.gz", f.Name, safeRefFilename)
121 w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", filename))
122 w.Header().Set("Content-Type", "application/gzip")
123 w.Header().Set("Content-Length", fmt.Sprintf("%d", len(archiveBytes)))
124
125 // Write the archive data directly
126 w.Write(archiveBytes)
127}
128
129func (rp *Repo) RepoLog(w http.ResponseWriter, r *http.Request) {
130 f, err := rp.repoResolver.Resolve(r)
131 if err != nil {
132 log.Println("failed to fully resolve repo", err)
133 return
134 }
135
136 page := 1
137 if r.URL.Query().Get("page") != "" {
138 page, err = strconv.Atoi(r.URL.Query().Get("page"))
139 if err != nil {
140 page = 1
141 }
142 }
143
144 ref := chi.URLParam(r, "ref")
145 ref, _ = url.PathUnescape(ref)
146
147 scheme := "http"
148 if !rp.config.Core.Dev {
149 scheme = "https"
150 }
151 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
152 xrpcc := &indigoxrpc.Client{
153 Host: host,
154 }
155
156 limit := int64(60)
157 cursor := ""
158 if page > 1 {
159 // Convert page number to cursor (offset)
160 offset := (page - 1) * int(limit)
161 cursor = strconv.Itoa(offset)
162 }
163
164 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
165 xrpcBytes, err := tangled.RepoLog(r.Context(), xrpcc, cursor, limit, "", ref, repo)
166 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
167 log.Println("failed to call XRPC repo.log", xrpcerr)
168 rp.pages.Error503(w)
169 return
170 }
171
172 var xrpcResp types.RepoLogResponse
173 if err := json.Unmarshal(xrpcBytes, &xrpcResp); err != nil {
174 log.Println("failed to decode XRPC response", err)
175 rp.pages.Error503(w)
176 return
177 }
178
179 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
180 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
181 log.Println("failed to call XRPC repo.tags", xrpcerr)
182 rp.pages.Error503(w)
183 return
184 }
185
186 tagMap := make(map[string][]string)
187 if tagBytes != nil {
188 var tagResp types.RepoTagsResponse
189 if err := json.Unmarshal(tagBytes, &tagResp); err == nil {
190 for _, tag := range tagResp.Tags {
191 tagMap[tag.Hash] = append(tagMap[tag.Hash], tag.Name)
192 }
193 }
194 }
195
196 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
197 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
198 log.Println("failed to call XRPC repo.branches", xrpcerr)
199 rp.pages.Error503(w)
200 return
201 }
202
203 if branchBytes != nil {
204 var branchResp types.RepoBranchesResponse
205 if err := json.Unmarshal(branchBytes, &branchResp); err == nil {
206 for _, branch := range branchResp.Branches {
207 tagMap[branch.Hash] = append(tagMap[branch.Hash], branch.Name)
208 }
209 }
210 }
211
212 user := rp.oauth.GetUser(r)
213
214 emailToDidMap, err := db.GetEmailToDid(rp.db, uniqueEmails(xrpcResp.Commits), true)
215 if err != nil {
216 log.Println("failed to fetch email to did mapping", err)
217 }
218
219 vc, err := commitverify.GetVerifiedObjectCommits(rp.db, emailToDidMap, xrpcResp.Commits)
220 if err != nil {
221 log.Println(err)
222 }
223
224 repoInfo := f.RepoInfo(user)
225
226 var shas []string
227 for _, c := range xrpcResp.Commits {
228 shas = append(shas, c.Hash.String())
229 }
230 pipelines, err := getPipelineStatuses(rp.db, repoInfo, shas)
231 if err != nil {
232 log.Println(err)
233 // non-fatal
234 }
235
236 rp.pages.RepoLog(w, pages.RepoLogParams{
237 LoggedInUser: user,
238 TagMap: tagMap,
239 RepoInfo: repoInfo,
240 RepoLogResponse: xrpcResp,
241 EmailToDidOrHandle: emailToDidOrHandle(rp, emailToDidMap),
242 VerifiedCommits: vc,
243 Pipelines: pipelines,
244 })
245}
246
247func (rp *Repo) RepoDescriptionEdit(w http.ResponseWriter, r *http.Request) {
248 f, err := rp.repoResolver.Resolve(r)
249 if err != nil {
250 log.Println("failed to get repo and knot", err)
251 w.WriteHeader(http.StatusBadRequest)
252 return
253 }
254
255 user := rp.oauth.GetUser(r)
256 rp.pages.EditRepoDescriptionFragment(w, pages.RepoDescriptionParams{
257 RepoInfo: f.RepoInfo(user),
258 })
259}
260
261func (rp *Repo) RepoDescription(w http.ResponseWriter, r *http.Request) {
262 f, err := rp.repoResolver.Resolve(r)
263 if err != nil {
264 log.Println("failed to get repo and knot", err)
265 w.WriteHeader(http.StatusBadRequest)
266 return
267 }
268
269 repoAt := f.RepoAt()
270 rkey := repoAt.RecordKey().String()
271 if rkey == "" {
272 log.Println("invalid aturi for repo", err)
273 w.WriteHeader(http.StatusInternalServerError)
274 return
275 }
276
277 user := rp.oauth.GetUser(r)
278
279 switch r.Method {
280 case http.MethodGet:
281 rp.pages.RepoDescriptionFragment(w, pages.RepoDescriptionParams{
282 RepoInfo: f.RepoInfo(user),
283 })
284 return
285 case http.MethodPut:
286 newDescription := r.FormValue("description")
287 client, err := rp.oauth.AuthorizedClient(r)
288 if err != nil {
289 log.Println("failed to get client")
290 rp.pages.Notice(w, "repo-notice", "Failed to update description, try again later.")
291 return
292 }
293
294 // optimistic update
295 err = db.UpdateDescription(rp.db, string(repoAt), newDescription)
296 if err != nil {
297 log.Println("failed to perferom update-description query", err)
298 rp.pages.Notice(w, "repo-notice", "Failed to update description, try again later.")
299 return
300 }
301
302 newRepo := f.Repo
303 newRepo.Description = newDescription
304 record := newRepo.AsRecord()
305
306 // this is a bit of a pain because the golang atproto impl does not allow nil SwapRecord field
307 //
308 // SwapRecord is optional and should happen automagically, but given that it does not, we have to perform two requests
309 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
310 if err != nil {
311 // failed to get record
312 rp.pages.Notice(w, "repo-notice", "Failed to update description, no record found on PDS.")
313 return
314 }
315 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
316 Collection: tangled.RepoNSID,
317 Repo: newRepo.Did,
318 Rkey: newRepo.Rkey,
319 SwapRecord: ex.Cid,
320 Record: &lexutil.LexiconTypeDecoder{
321 Val: &record,
322 },
323 })
324
325 if err != nil {
326 log.Println("failed to perferom update-description query", err)
327 // failed to get record
328 rp.pages.Notice(w, "repo-notice", "Failed to update description, unable to save to PDS.")
329 return
330 }
331
332 newRepoInfo := f.RepoInfo(user)
333 newRepoInfo.Description = newDescription
334
335 rp.pages.RepoDescriptionFragment(w, pages.RepoDescriptionParams{
336 RepoInfo: newRepoInfo,
337 })
338 return
339 }
340}
341
342func (rp *Repo) RepoCommit(w http.ResponseWriter, r *http.Request) {
343 f, err := rp.repoResolver.Resolve(r)
344 if err != nil {
345 log.Println("failed to fully resolve repo", err)
346 return
347 }
348 ref := chi.URLParam(r, "ref")
349 ref, _ = url.PathUnescape(ref)
350
351 var diffOpts types.DiffOpts
352 if d := r.URL.Query().Get("diff"); d == "split" {
353 diffOpts.Split = true
354 }
355
356 if !plumbing.IsHash(ref) {
357 rp.pages.Error404(w)
358 return
359 }
360
361 scheme := "http"
362 if !rp.config.Core.Dev {
363 scheme = "https"
364 }
365 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
366 xrpcc := &indigoxrpc.Client{
367 Host: host,
368 }
369
370 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
371 xrpcBytes, err := tangled.RepoDiff(r.Context(), xrpcc, ref, repo)
372 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
373 log.Println("failed to call XRPC repo.diff", xrpcerr)
374 rp.pages.Error503(w)
375 return
376 }
377
378 var result types.RepoCommitResponse
379 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
380 log.Println("failed to decode XRPC response", err)
381 rp.pages.Error503(w)
382 return
383 }
384
385 emailToDidMap, err := db.GetEmailToDid(rp.db, []string{result.Diff.Commit.Committer.Email, result.Diff.Commit.Author.Email}, true)
386 if err != nil {
387 log.Println("failed to get email to did mapping:", err)
388 }
389
390 vc, err := commitverify.GetVerifiedCommits(rp.db, emailToDidMap, []types.NiceDiff{*result.Diff})
391 if err != nil {
392 log.Println(err)
393 }
394
395 user := rp.oauth.GetUser(r)
396 repoInfo := f.RepoInfo(user)
397 pipelines, err := getPipelineStatuses(rp.db, repoInfo, []string{result.Diff.Commit.This})
398 if err != nil {
399 log.Println(err)
400 // non-fatal
401 }
402 var pipeline *db.Pipeline
403 if p, ok := pipelines[result.Diff.Commit.This]; ok {
404 pipeline = &p
405 }
406
407 rp.pages.RepoCommit(w, pages.RepoCommitParams{
408 LoggedInUser: user,
409 RepoInfo: f.RepoInfo(user),
410 RepoCommitResponse: result,
411 EmailToDidOrHandle: emailToDidOrHandle(rp, emailToDidMap),
412 VerifiedCommit: vc,
413 Pipeline: pipeline,
414 DiffOpts: diffOpts,
415 })
416}
417
418func (rp *Repo) RepoTree(w http.ResponseWriter, r *http.Request) {
419 f, err := rp.repoResolver.Resolve(r)
420 if err != nil {
421 log.Println("failed to fully resolve repo", err)
422 return
423 }
424
425 ref := chi.URLParam(r, "ref")
426 ref, _ = url.PathUnescape(ref)
427
428 // if the tree path has a trailing slash, let's strip it
429 // so we don't 404
430 treePath := chi.URLParam(r, "*")
431 treePath, _ = url.PathUnescape(treePath)
432 treePath = strings.TrimSuffix(treePath, "/")
433
434 scheme := "http"
435 if !rp.config.Core.Dev {
436 scheme = "https"
437 }
438 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
439 xrpcc := &indigoxrpc.Client{
440 Host: host,
441 }
442
443 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
444 xrpcResp, err := tangled.RepoTree(r.Context(), xrpcc, treePath, ref, repo)
445 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
446 log.Println("failed to call XRPC repo.tree", xrpcerr)
447 rp.pages.Error503(w)
448 return
449 }
450
451 // Convert XRPC response to internal types.RepoTreeResponse
452 files := make([]types.NiceTree, len(xrpcResp.Files))
453 for i, xrpcFile := range xrpcResp.Files {
454 file := types.NiceTree{
455 Name: xrpcFile.Name,
456 Mode: xrpcFile.Mode,
457 Size: int64(xrpcFile.Size),
458 IsFile: xrpcFile.Is_file,
459 IsSubtree: xrpcFile.Is_subtree,
460 }
461
462 // Convert last commit info if present
463 if xrpcFile.Last_commit != nil {
464 commitWhen, _ := time.Parse(time.RFC3339, xrpcFile.Last_commit.When)
465 file.LastCommit = &types.LastCommitInfo{
466 Hash: plumbing.NewHash(xrpcFile.Last_commit.Hash),
467 Message: xrpcFile.Last_commit.Message,
468 When: commitWhen,
469 }
470 }
471
472 files[i] = file
473 }
474
475 result := types.RepoTreeResponse{
476 Ref: xrpcResp.Ref,
477 Files: files,
478 }
479
480 if xrpcResp.Parent != nil {
481 result.Parent = *xrpcResp.Parent
482 }
483 if xrpcResp.Dotdot != nil {
484 result.DotDot = *xrpcResp.Dotdot
485 }
486
487 // redirects tree paths trying to access a blob; in this case the result.Files is unpopulated,
488 // so we can safely redirect to the "parent" (which is the same file).
489 if len(result.Files) == 0 && result.Parent == treePath {
490 redirectTo := fmt.Sprintf("/%s/blob/%s/%s", f.OwnerSlashRepo(), url.PathEscape(ref), result.Parent)
491 http.Redirect(w, r, redirectTo, http.StatusFound)
492 return
493 }
494
495 user := rp.oauth.GetUser(r)
496
497 var breadcrumbs [][]string
498 breadcrumbs = append(breadcrumbs, []string{f.Name, fmt.Sprintf("/%s/tree/%s", f.OwnerSlashRepo(), url.PathEscape(ref))})
499 if treePath != "" {
500 for idx, elem := range strings.Split(treePath, "/") {
501 breadcrumbs = append(breadcrumbs, []string{elem, fmt.Sprintf("%s/%s", breadcrumbs[idx][1], url.PathEscape(elem))})
502 }
503 }
504
505 sortFiles(result.Files)
506
507 rp.pages.RepoTree(w, pages.RepoTreeParams{
508 LoggedInUser: user,
509 BreadCrumbs: breadcrumbs,
510 TreePath: treePath,
511 RepoInfo: f.RepoInfo(user),
512 RepoTreeResponse: result,
513 })
514}
515
516func (rp *Repo) RepoTags(w http.ResponseWriter, r *http.Request) {
517 f, err := rp.repoResolver.Resolve(r)
518 if err != nil {
519 log.Println("failed to get repo and knot", err)
520 return
521 }
522
523 scheme := "http"
524 if !rp.config.Core.Dev {
525 scheme = "https"
526 }
527 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
528 xrpcc := &indigoxrpc.Client{
529 Host: host,
530 }
531
532 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
533 xrpcBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
534 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
535 log.Println("failed to call XRPC repo.tags", xrpcerr)
536 rp.pages.Error503(w)
537 return
538 }
539
540 var result types.RepoTagsResponse
541 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
542 log.Println("failed to decode XRPC response", err)
543 rp.pages.Error503(w)
544 return
545 }
546
547 artifacts, err := db.GetArtifact(rp.db, db.FilterEq("repo_at", f.RepoAt()))
548 if err != nil {
549 log.Println("failed grab artifacts", err)
550 return
551 }
552
553 // convert artifacts to map for easy UI building
554 artifactMap := make(map[plumbing.Hash][]db.Artifact)
555 for _, a := range artifacts {
556 artifactMap[a.Tag] = append(artifactMap[a.Tag], a)
557 }
558
559 var danglingArtifacts []db.Artifact
560 for _, a := range artifacts {
561 found := false
562 for _, t := range result.Tags {
563 if t.Tag != nil {
564 if t.Tag.Hash == a.Tag {
565 found = true
566 }
567 }
568 }
569
570 if !found {
571 danglingArtifacts = append(danglingArtifacts, a)
572 }
573 }
574
575 user := rp.oauth.GetUser(r)
576 rp.pages.RepoTags(w, pages.RepoTagsParams{
577 LoggedInUser: user,
578 RepoInfo: f.RepoInfo(user),
579 RepoTagsResponse: result,
580 ArtifactMap: artifactMap,
581 DanglingArtifacts: danglingArtifacts,
582 })
583}
584
585func (rp *Repo) RepoBranches(w http.ResponseWriter, r *http.Request) {
586 f, err := rp.repoResolver.Resolve(r)
587 if err != nil {
588 log.Println("failed to get repo and knot", err)
589 return
590 }
591
592 scheme := "http"
593 if !rp.config.Core.Dev {
594 scheme = "https"
595 }
596 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
597 xrpcc := &indigoxrpc.Client{
598 Host: host,
599 }
600
601 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
602 xrpcBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
603 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
604 log.Println("failed to call XRPC repo.branches", xrpcerr)
605 rp.pages.Error503(w)
606 return
607 }
608
609 var result types.RepoBranchesResponse
610 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
611 log.Println("failed to decode XRPC response", err)
612 rp.pages.Error503(w)
613 return
614 }
615
616 sortBranches(result.Branches)
617
618 user := rp.oauth.GetUser(r)
619 rp.pages.RepoBranches(w, pages.RepoBranchesParams{
620 LoggedInUser: user,
621 RepoInfo: f.RepoInfo(user),
622 RepoBranchesResponse: result,
623 })
624}
625
626func (rp *Repo) RepoBlob(w http.ResponseWriter, r *http.Request) {
627 f, err := rp.repoResolver.Resolve(r)
628 if err != nil {
629 log.Println("failed to get repo and knot", err)
630 return
631 }
632
633 ref := chi.URLParam(r, "ref")
634 ref, _ = url.PathUnescape(ref)
635
636 filePath := chi.URLParam(r, "*")
637 filePath, _ = url.PathUnescape(filePath)
638
639 scheme := "http"
640 if !rp.config.Core.Dev {
641 scheme = "https"
642 }
643 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
644 xrpcc := &indigoxrpc.Client{
645 Host: host,
646 }
647
648 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Repo.Name)
649 resp, err := tangled.RepoBlob(r.Context(), xrpcc, filePath, false, ref, repo)
650 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
651 log.Println("failed to call XRPC repo.blob", xrpcerr)
652 rp.pages.Error503(w)
653 return
654 }
655
656 // Use XRPC response directly instead of converting to internal types
657
658 var breadcrumbs [][]string
659 breadcrumbs = append(breadcrumbs, []string{f.Name, fmt.Sprintf("/%s/tree/%s", f.OwnerSlashRepo(), url.PathEscape(ref))})
660 if filePath != "" {
661 for idx, elem := range strings.Split(filePath, "/") {
662 breadcrumbs = append(breadcrumbs, []string{elem, fmt.Sprintf("%s/%s", breadcrumbs[idx][1], url.PathEscape(elem))})
663 }
664 }
665
666 showRendered := false
667 renderToggle := false
668
669 if markup.GetFormat(resp.Path) == markup.FormatMarkdown {
670 renderToggle = true
671 showRendered = r.URL.Query().Get("code") != "true"
672 }
673
674 var unsupported bool
675 var isImage bool
676 var isVideo bool
677 var contentSrc string
678
679 if resp.IsBinary != nil && *resp.IsBinary {
680 ext := strings.ToLower(filepath.Ext(resp.Path))
681 switch ext {
682 case ".jpg", ".jpeg", ".png", ".gif", ".svg", ".webp":
683 isImage = true
684 case ".mp4", ".webm", ".ogg", ".mov", ".avi":
685 isVideo = true
686 default:
687 unsupported = true
688 }
689
690 // fetch the raw binary content using sh.tangled.repo.blob xrpc
691 repoName := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
692
693 baseURL := &url.URL{
694 Scheme: scheme,
695 Host: f.Knot,
696 Path: "/xrpc/sh.tangled.repo.blob",
697 }
698 query := baseURL.Query()
699 query.Set("repo", repoName)
700 query.Set("ref", ref)
701 query.Set("path", filePath)
702 query.Set("raw", "true")
703 baseURL.RawQuery = query.Encode()
704 blobURL := baseURL.String()
705
706 contentSrc = blobURL
707 if !rp.config.Core.Dev {
708 contentSrc = markup.GenerateCamoURL(rp.config.Camo.Host, rp.config.Camo.SharedSecret, blobURL)
709 }
710 }
711
712 lines := 0
713 if resp.IsBinary == nil || !*resp.IsBinary {
714 lines = strings.Count(resp.Content, "\n") + 1
715 }
716
717 var sizeHint uint64
718 if resp.Size != nil {
719 sizeHint = uint64(*resp.Size)
720 } else {
721 sizeHint = uint64(len(resp.Content))
722 }
723
724 user := rp.oauth.GetUser(r)
725
726 // Determine if content is binary (dereference pointer)
727 isBinary := false
728 if resp.IsBinary != nil {
729 isBinary = *resp.IsBinary
730 }
731
732 rp.pages.RepoBlob(w, pages.RepoBlobParams{
733 LoggedInUser: user,
734 RepoInfo: f.RepoInfo(user),
735 BreadCrumbs: breadcrumbs,
736 ShowRendered: showRendered,
737 RenderToggle: renderToggle,
738 Unsupported: unsupported,
739 IsImage: isImage,
740 IsVideo: isVideo,
741 ContentSrc: contentSrc,
742 RepoBlob_Output: resp,
743 Contents: resp.Content,
744 Lines: lines,
745 SizeHint: sizeHint,
746 IsBinary: isBinary,
747 })
748}
749
750func (rp *Repo) RepoBlobRaw(w http.ResponseWriter, r *http.Request) {
751 f, err := rp.repoResolver.Resolve(r)
752 if err != nil {
753 log.Println("failed to get repo and knot", err)
754 w.WriteHeader(http.StatusBadRequest)
755 return
756 }
757
758 ref := chi.URLParam(r, "ref")
759 ref, _ = url.PathUnescape(ref)
760
761 filePath := chi.URLParam(r, "*")
762 filePath, _ = url.PathUnescape(filePath)
763
764 scheme := "http"
765 if !rp.config.Core.Dev {
766 scheme = "https"
767 }
768
769 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Repo.Name)
770 baseURL := &url.URL{
771 Scheme: scheme,
772 Host: f.Knot,
773 Path: "/xrpc/sh.tangled.repo.blob",
774 }
775 query := baseURL.Query()
776 query.Set("repo", repo)
777 query.Set("ref", ref)
778 query.Set("path", filePath)
779 query.Set("raw", "true")
780 baseURL.RawQuery = query.Encode()
781 blobURL := baseURL.String()
782
783 req, err := http.NewRequest("GET", blobURL, nil)
784 if err != nil {
785 log.Println("failed to create request", err)
786 return
787 }
788
789 // forward the If-None-Match header
790 if clientETag := r.Header.Get("If-None-Match"); clientETag != "" {
791 req.Header.Set("If-None-Match", clientETag)
792 }
793
794 client := &http.Client{}
795 resp, err := client.Do(req)
796 if err != nil {
797 log.Println("failed to reach knotserver", err)
798 rp.pages.Error503(w)
799 return
800 }
801 defer resp.Body.Close()
802
803 // forward 304 not modified
804 if resp.StatusCode == http.StatusNotModified {
805 w.WriteHeader(http.StatusNotModified)
806 return
807 }
808
809 if resp.StatusCode != http.StatusOK {
810 log.Printf("knotserver returned non-OK status for raw blob %s: %d", blobURL, resp.StatusCode)
811 w.WriteHeader(resp.StatusCode)
812 _, _ = io.Copy(w, resp.Body)
813 return
814 }
815
816 contentType := resp.Header.Get("Content-Type")
817 body, err := io.ReadAll(resp.Body)
818 if err != nil {
819 log.Printf("error reading response body from knotserver: %v", err)
820 w.WriteHeader(http.StatusInternalServerError)
821 return
822 }
823
824 if strings.HasPrefix(contentType, "text/") || isTextualMimeType(contentType) {
825 // serve all textual content as text/plain
826 w.Header().Set("Content-Type", "text/plain; charset=utf-8")
827 w.Write(body)
828 } else if strings.HasPrefix(contentType, "image/") || strings.HasPrefix(contentType, "video/") {
829 // serve images and videos with their original content type
830 w.Header().Set("Content-Type", contentType)
831 w.Write(body)
832 } else {
833 w.WriteHeader(http.StatusUnsupportedMediaType)
834 w.Write([]byte("unsupported content type"))
835 return
836 }
837}
838
839// isTextualMimeType returns true if the MIME type represents textual content
840// that should be served as text/plain
841func isTextualMimeType(mimeType string) bool {
842 textualTypes := []string{
843 "application/json",
844 "application/xml",
845 "application/yaml",
846 "application/x-yaml",
847 "application/toml",
848 "application/javascript",
849 "application/ecmascript",
850 "message/",
851 }
852
853 return slices.Contains(textualTypes, mimeType)
854}
855
856// modify the spindle configured for this repo
857func (rp *Repo) EditSpindle(w http.ResponseWriter, r *http.Request) {
858 user := rp.oauth.GetUser(r)
859 l := rp.logger.With("handler", "EditSpindle")
860 l = l.With("did", user.Did)
861 l = l.With("handle", user.Handle)
862
863 errorId := "operation-error"
864 fail := func(msg string, err error) {
865 l.Error(msg, "err", err)
866 rp.pages.Notice(w, errorId, msg)
867 }
868
869 f, err := rp.repoResolver.Resolve(r)
870 if err != nil {
871 fail("Failed to resolve repo. Try again later", err)
872 return
873 }
874
875 newSpindle := r.FormValue("spindle")
876 removingSpindle := newSpindle == "[[none]]" // see pages/templates/repo/settings/pipelines.html for more info on why we use this value
877 client, err := rp.oauth.AuthorizedClient(r)
878 if err != nil {
879 fail("Failed to authorize. Try again later.", err)
880 return
881 }
882
883 if !removingSpindle {
884 // ensure that this is a valid spindle for this user
885 validSpindles, err := rp.enforcer.GetSpindlesForUser(user.Did)
886 if err != nil {
887 fail("Failed to find spindles. Try again later.", err)
888 return
889 }
890
891 if !slices.Contains(validSpindles, newSpindle) {
892 fail("Failed to configure spindle.", fmt.Errorf("%s is not a valid spindle: %q", newSpindle, validSpindles))
893 return
894 }
895 }
896
897 newRepo := f.Repo
898 newRepo.Spindle = newSpindle
899 record := newRepo.AsRecord()
900
901 spindlePtr := &newSpindle
902 if removingSpindle {
903 spindlePtr = nil
904 newRepo.Spindle = ""
905 }
906
907 // optimistic update
908 err = db.UpdateSpindle(rp.db, newRepo.RepoAt().String(), spindlePtr)
909 if err != nil {
910 fail("Failed to update spindle. Try again later.", err)
911 return
912 }
913
914 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
915 if err != nil {
916 fail("Failed to update spindle, no record found on PDS.", err)
917 return
918 }
919 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
920 Collection: tangled.RepoNSID,
921 Repo: newRepo.Did,
922 Rkey: newRepo.Rkey,
923 SwapRecord: ex.Cid,
924 Record: &lexutil.LexiconTypeDecoder{
925 Val: &record,
926 },
927 })
928
929 if err != nil {
930 fail("Failed to update spindle, unable to save to PDS.", err)
931 return
932 }
933
934 if !removingSpindle {
935 // add this spindle to spindle stream
936 rp.spindlestream.AddSource(
937 context.Background(),
938 eventconsumer.NewSpindleSource(newSpindle),
939 )
940 }
941
942 rp.pages.HxRefresh(w)
943}
944
945func (rp *Repo) AddLabel(w http.ResponseWriter, r *http.Request) {
946 user := rp.oauth.GetUser(r)
947 l := rp.logger.With("handler", "AddLabel")
948 l = l.With("did", user.Did)
949 l = l.With("handle", user.Handle)
950
951 f, err := rp.repoResolver.Resolve(r)
952 if err != nil {
953 l.Error("failed to get repo and knot", "err", err)
954 return
955 }
956
957 errorId := "add-label-error"
958 fail := func(msg string, err error) {
959 l.Error(msg, "err", err)
960 rp.pages.Notice(w, errorId, msg)
961 }
962
963 // get form values for label definition
964 name := r.FormValue("name")
965 concreteType := r.FormValue("valueType")
966 enumValues := r.FormValue("enumValues")
967 scope := r.FormValue("scope")
968 color := r.FormValue("color")
969 multiple := r.FormValue("multiple") == "true"
970
971 var variants []string
972 for part := range strings.SplitSeq(enumValues, ",") {
973 if part = strings.TrimSpace(part); part != "" {
974 variants = append(variants, part)
975 }
976 }
977
978 valueType := db.ValueType{
979 Type: db.ConcreteType(concreteType),
980 Format: db.ValueTypeFormatAny,
981 Enum: variants,
982 }
983
984 label := db.LabelDefinition{
985 Did: user.Did,
986 Rkey: tid.TID(),
987 Name: name,
988 ValueType: valueType,
989 Scope: syntax.NSID(scope),
990 Color: &color,
991 Multiple: multiple,
992 Created: time.Now(),
993 }
994 if err := rp.validator.ValidateLabelDefinition(&label); err != nil {
995 fail(err.Error(), err)
996 return
997 }
998
999 // announce this relation into the firehose, store into owners' pds
1000 client, err := rp.oauth.AuthorizedClient(r)
1001 if err != nil {
1002 fail(err.Error(), err)
1003 return
1004 }
1005
1006 // emit a labelRecord
1007 labelRecord := label.AsRecord()
1008 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1009 Collection: tangled.LabelDefinitionNSID,
1010 Repo: label.Did,
1011 Rkey: label.Rkey,
1012 Record: &lexutil.LexiconTypeDecoder{
1013 Val: &labelRecord,
1014 },
1015 })
1016 // invalid record
1017 if err != nil {
1018 fail("Failed to write record to PDS.", err)
1019 return
1020 }
1021
1022 aturi := resp.Uri
1023 l = l.With("at-uri", aturi)
1024 l.Info("wrote label record to PDS")
1025
1026 // update the repo to subscribe to this label
1027 newRepo := f.Repo
1028 newRepo.Labels = append(newRepo.Labels, aturi)
1029 repoRecord := newRepo.AsRecord()
1030
1031 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1032 if err != nil {
1033 fail("Failed to update labels, no record found on PDS.", err)
1034 return
1035 }
1036 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1037 Collection: tangled.RepoNSID,
1038 Repo: newRepo.Did,
1039 Rkey: newRepo.Rkey,
1040 SwapRecord: ex.Cid,
1041 Record: &lexutil.LexiconTypeDecoder{
1042 Val: &repoRecord,
1043 },
1044 })
1045
1046 tx, err := rp.db.BeginTx(r.Context(), nil)
1047 if err != nil {
1048 fail("Failed to add label.", err)
1049 return
1050 }
1051
1052 rollback := func() {
1053 err1 := tx.Rollback()
1054 err2 := rollbackRecord(context.Background(), aturi, client)
1055
1056 // ignore txn complete errors, this is okay
1057 if errors.Is(err1, sql.ErrTxDone) {
1058 err1 = nil
1059 }
1060
1061 if errs := errors.Join(err1, err2); errs != nil {
1062 l.Error("failed to rollback changes", "errs", errs)
1063 return
1064 }
1065 }
1066 defer rollback()
1067
1068 _, err = db.AddLabelDefinition(tx, &label)
1069 if err != nil {
1070 fail("Failed to add label.", err)
1071 return
1072 }
1073
1074 err = db.SubscribeLabel(tx, &db.RepoLabel{
1075 RepoAt: f.RepoAt(),
1076 LabelAt: label.AtUri(),
1077 })
1078
1079 err = tx.Commit()
1080 if err != nil {
1081 fail("Failed to add label.", err)
1082 return
1083 }
1084
1085 // clear aturi when everything is successful
1086 aturi = ""
1087
1088 rp.pages.HxRefresh(w)
1089}
1090
1091func (rp *Repo) DeleteLabel(w http.ResponseWriter, r *http.Request) {
1092 user := rp.oauth.GetUser(r)
1093 l := rp.logger.With("handler", "DeleteLabel")
1094 l = l.With("did", user.Did)
1095 l = l.With("handle", user.Handle)
1096
1097 f, err := rp.repoResolver.Resolve(r)
1098 if err != nil {
1099 l.Error("failed to get repo and knot", "err", err)
1100 return
1101 }
1102
1103 errorId := "label-operation"
1104 fail := func(msg string, err error) {
1105 l.Error(msg, "err", err)
1106 rp.pages.Notice(w, errorId, msg)
1107 }
1108
1109 // get form values
1110 labelId := r.FormValue("label-id")
1111
1112 label, err := db.GetLabelDefinition(rp.db, db.FilterEq("id", labelId))
1113 if err != nil {
1114 fail("Failed to find label definition.", err)
1115 return
1116 }
1117
1118 client, err := rp.oauth.AuthorizedClient(r)
1119 if err != nil {
1120 fail(err.Error(), err)
1121 return
1122 }
1123
1124 // delete label record from PDS
1125 _, err = client.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1126 Collection: tangled.LabelDefinitionNSID,
1127 Repo: label.Did,
1128 Rkey: label.Rkey,
1129 })
1130 if err != nil {
1131 fail("Failed to delete label record from PDS.", err)
1132 return
1133 }
1134
1135 // update repo record to remove the label reference
1136 newRepo := f.Repo
1137 var updated []string
1138 removedAt := label.AtUri().String()
1139 for _, l := range newRepo.Labels {
1140 if l != removedAt {
1141 updated = append(updated, l)
1142 }
1143 }
1144 newRepo.Labels = updated
1145 repoRecord := newRepo.AsRecord()
1146
1147 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1148 if err != nil {
1149 fail("Failed to update labels, no record found on PDS.", err)
1150 return
1151 }
1152 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1153 Collection: tangled.RepoNSID,
1154 Repo: newRepo.Did,
1155 Rkey: newRepo.Rkey,
1156 SwapRecord: ex.Cid,
1157 Record: &lexutil.LexiconTypeDecoder{
1158 Val: &repoRecord,
1159 },
1160 })
1161 if err != nil {
1162 fail("Failed to update repo record.", err)
1163 return
1164 }
1165
1166 // transaction for DB changes
1167 tx, err := rp.db.BeginTx(r.Context(), nil)
1168 if err != nil {
1169 fail("Failed to delete label.", err)
1170 return
1171 }
1172 defer tx.Rollback()
1173
1174 err = db.UnsubscribeLabel(
1175 tx,
1176 db.FilterEq("repo_at", f.RepoAt()),
1177 db.FilterEq("label_at", removedAt),
1178 )
1179 if err != nil {
1180 fail("Failed to unsubscribe label.", err)
1181 return
1182 }
1183
1184 err = db.DeleteLabelDefinition(tx, db.FilterEq("id", label.Id))
1185 if err != nil {
1186 fail("Failed to delete label definition.", err)
1187 return
1188 }
1189
1190 err = tx.Commit()
1191 if err != nil {
1192 fail("Failed to delete label.", err)
1193 return
1194 }
1195
1196 // everything succeeded
1197 rp.pages.HxRefresh(w)
1198}
1199
1200func (rp *Repo) AddCollaborator(w http.ResponseWriter, r *http.Request) {
1201 user := rp.oauth.GetUser(r)
1202 l := rp.logger.With("handler", "AddCollaborator")
1203 l = l.With("did", user.Did)
1204 l = l.With("handle", user.Handle)
1205
1206 f, err := rp.repoResolver.Resolve(r)
1207 if err != nil {
1208 l.Error("failed to get repo and knot", "err", err)
1209 return
1210 }
1211
1212 errorId := "add-collaborator-error"
1213 fail := func(msg string, err error) {
1214 l.Error(msg, "err", err)
1215 rp.pages.Notice(w, errorId, msg)
1216 }
1217
1218 collaborator := r.FormValue("collaborator")
1219 if collaborator == "" {
1220 fail("Invalid form.", nil)
1221 return
1222 }
1223
1224 // remove a single leading `@`, to make @handle work with ResolveIdent
1225 collaborator = strings.TrimPrefix(collaborator, "@")
1226
1227 collaboratorIdent, err := rp.idResolver.ResolveIdent(r.Context(), collaborator)
1228 if err != nil {
1229 fail(fmt.Sprintf("'%s' is not a valid DID/handle.", collaborator), err)
1230 return
1231 }
1232
1233 if collaboratorIdent.DID.String() == user.Did {
1234 fail("You seem to be adding yourself as a collaborator.", nil)
1235 return
1236 }
1237 l = l.With("collaborator", collaboratorIdent.Handle)
1238 l = l.With("knot", f.Knot)
1239
1240 // announce this relation into the firehose, store into owners' pds
1241 client, err := rp.oauth.AuthorizedClient(r)
1242 if err != nil {
1243 fail("Failed to write to PDS.", err)
1244 return
1245 }
1246
1247 // emit a record
1248 currentUser := rp.oauth.GetUser(r)
1249 rkey := tid.TID()
1250 createdAt := time.Now()
1251 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1252 Collection: tangled.RepoCollaboratorNSID,
1253 Repo: currentUser.Did,
1254 Rkey: rkey,
1255 Record: &lexutil.LexiconTypeDecoder{
1256 Val: &tangled.RepoCollaborator{
1257 Subject: collaboratorIdent.DID.String(),
1258 Repo: string(f.RepoAt()),
1259 CreatedAt: createdAt.Format(time.RFC3339),
1260 }},
1261 })
1262 // invalid record
1263 if err != nil {
1264 fail("Failed to write record to PDS.", err)
1265 return
1266 }
1267
1268 aturi := resp.Uri
1269 l = l.With("at-uri", aturi)
1270 l.Info("wrote record to PDS")
1271
1272 tx, err := rp.db.BeginTx(r.Context(), nil)
1273 if err != nil {
1274 fail("Failed to add collaborator.", err)
1275 return
1276 }
1277
1278 rollback := func() {
1279 err1 := tx.Rollback()
1280 err2 := rp.enforcer.E.LoadPolicy()
1281 err3 := rollbackRecord(context.Background(), aturi, client)
1282
1283 // ignore txn complete errors, this is okay
1284 if errors.Is(err1, sql.ErrTxDone) {
1285 err1 = nil
1286 }
1287
1288 if errs := errors.Join(err1, err2, err3); errs != nil {
1289 l.Error("failed to rollback changes", "errs", errs)
1290 return
1291 }
1292 }
1293 defer rollback()
1294
1295 err = rp.enforcer.AddCollaborator(collaboratorIdent.DID.String(), f.Knot, f.DidSlashRepo())
1296 if err != nil {
1297 fail("Failed to add collaborator permissions.", err)
1298 return
1299 }
1300
1301 err = db.AddCollaborator(tx, db.Collaborator{
1302 Did: syntax.DID(currentUser.Did),
1303 Rkey: rkey,
1304 SubjectDid: collaboratorIdent.DID,
1305 RepoAt: f.RepoAt(),
1306 Created: createdAt,
1307 })
1308 if err != nil {
1309 fail("Failed to add collaborator.", err)
1310 return
1311 }
1312
1313 err = tx.Commit()
1314 if err != nil {
1315 fail("Failed to add collaborator.", err)
1316 return
1317 }
1318
1319 err = rp.enforcer.E.SavePolicy()
1320 if err != nil {
1321 fail("Failed to update collaborator permissions.", err)
1322 return
1323 }
1324
1325 // clear aturi to when everything is successful
1326 aturi = ""
1327
1328 rp.pages.HxRefresh(w)
1329}
1330
1331func (rp *Repo) DeleteRepo(w http.ResponseWriter, r *http.Request) {
1332 user := rp.oauth.GetUser(r)
1333
1334 noticeId := "operation-error"
1335 f, err := rp.repoResolver.Resolve(r)
1336 if err != nil {
1337 log.Println("failed to get repo and knot", err)
1338 return
1339 }
1340
1341 // remove record from pds
1342 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1343 if err != nil {
1344 log.Println("failed to get authorized client", err)
1345 return
1346 }
1347 _, err = xrpcClient.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1348 Collection: tangled.RepoNSID,
1349 Repo: user.Did,
1350 Rkey: f.Rkey,
1351 })
1352 if err != nil {
1353 log.Printf("failed to delete record: %s", err)
1354 rp.pages.Notice(w, noticeId, "Failed to delete repository from PDS.")
1355 return
1356 }
1357 log.Println("removed repo record ", f.RepoAt().String())
1358
1359 client, err := rp.oauth.ServiceClient(
1360 r,
1361 oauth.WithService(f.Knot),
1362 oauth.WithLxm(tangled.RepoDeleteNSID),
1363 oauth.WithDev(rp.config.Core.Dev),
1364 )
1365 if err != nil {
1366 log.Println("failed to connect to knot server:", err)
1367 return
1368 }
1369
1370 err = tangled.RepoDelete(
1371 r.Context(),
1372 client,
1373 &tangled.RepoDelete_Input{
1374 Did: f.OwnerDid(),
1375 Name: f.Name,
1376 Rkey: f.Rkey,
1377 },
1378 )
1379 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1380 rp.pages.Notice(w, noticeId, err.Error())
1381 return
1382 }
1383 log.Println("deleted repo from knot")
1384
1385 tx, err := rp.db.BeginTx(r.Context(), nil)
1386 if err != nil {
1387 log.Println("failed to start tx")
1388 w.Write(fmt.Append(nil, "failed to add collaborator: ", err))
1389 return
1390 }
1391 defer func() {
1392 tx.Rollback()
1393 err = rp.enforcer.E.LoadPolicy()
1394 if err != nil {
1395 log.Println("failed to rollback policies")
1396 }
1397 }()
1398
1399 // remove collaborator RBAC
1400 repoCollaborators, err := rp.enforcer.E.GetImplicitUsersForResourceByDomain(f.DidSlashRepo(), f.Knot)
1401 if err != nil {
1402 rp.pages.Notice(w, noticeId, "Failed to remove collaborators")
1403 return
1404 }
1405 for _, c := range repoCollaborators {
1406 did := c[0]
1407 rp.enforcer.RemoveCollaborator(did, f.Knot, f.DidSlashRepo())
1408 }
1409 log.Println("removed collaborators")
1410
1411 // remove repo RBAC
1412 err = rp.enforcer.RemoveRepo(f.OwnerDid(), f.Knot, f.DidSlashRepo())
1413 if err != nil {
1414 rp.pages.Notice(w, noticeId, "Failed to update RBAC rules")
1415 return
1416 }
1417
1418 // remove repo from db
1419 err = db.RemoveRepo(tx, f.OwnerDid(), f.Name)
1420 if err != nil {
1421 rp.pages.Notice(w, noticeId, "Failed to update appview")
1422 return
1423 }
1424 log.Println("removed repo from db")
1425
1426 err = tx.Commit()
1427 if err != nil {
1428 log.Println("failed to commit changes", err)
1429 http.Error(w, err.Error(), http.StatusInternalServerError)
1430 return
1431 }
1432
1433 err = rp.enforcer.E.SavePolicy()
1434 if err != nil {
1435 log.Println("failed to update ACLs", err)
1436 http.Error(w, err.Error(), http.StatusInternalServerError)
1437 return
1438 }
1439
1440 rp.pages.HxRedirect(w, fmt.Sprintf("/%s", f.OwnerDid()))
1441}
1442
1443func (rp *Repo) SetDefaultBranch(w http.ResponseWriter, r *http.Request) {
1444 f, err := rp.repoResolver.Resolve(r)
1445 if err != nil {
1446 log.Println("failed to get repo and knot", err)
1447 return
1448 }
1449
1450 noticeId := "operation-error"
1451 branch := r.FormValue("branch")
1452 if branch == "" {
1453 http.Error(w, "malformed form", http.StatusBadRequest)
1454 return
1455 }
1456
1457 client, err := rp.oauth.ServiceClient(
1458 r,
1459 oauth.WithService(f.Knot),
1460 oauth.WithLxm(tangled.RepoSetDefaultBranchNSID),
1461 oauth.WithDev(rp.config.Core.Dev),
1462 )
1463 if err != nil {
1464 log.Println("failed to connect to knot server:", err)
1465 rp.pages.Notice(w, noticeId, "Failed to connect to knot server.")
1466 return
1467 }
1468
1469 xe := tangled.RepoSetDefaultBranch(
1470 r.Context(),
1471 client,
1472 &tangled.RepoSetDefaultBranch_Input{
1473 Repo: f.RepoAt().String(),
1474 DefaultBranch: branch,
1475 },
1476 )
1477 if err := xrpcclient.HandleXrpcErr(xe); err != nil {
1478 log.Println("xrpc failed", "err", xe)
1479 rp.pages.Notice(w, noticeId, err.Error())
1480 return
1481 }
1482
1483 rp.pages.HxRefresh(w)
1484}
1485
1486func (rp *Repo) Secrets(w http.ResponseWriter, r *http.Request) {
1487 user := rp.oauth.GetUser(r)
1488 l := rp.logger.With("handler", "Secrets")
1489 l = l.With("handle", user.Handle)
1490 l = l.With("did", user.Did)
1491
1492 f, err := rp.repoResolver.Resolve(r)
1493 if err != nil {
1494 log.Println("failed to get repo and knot", err)
1495 return
1496 }
1497
1498 if f.Spindle == "" {
1499 log.Println("empty spindle cannot add/rm secret", err)
1500 return
1501 }
1502
1503 lxm := tangled.RepoAddSecretNSID
1504 if r.Method == http.MethodDelete {
1505 lxm = tangled.RepoRemoveSecretNSID
1506 }
1507
1508 spindleClient, err := rp.oauth.ServiceClient(
1509 r,
1510 oauth.WithService(f.Spindle),
1511 oauth.WithLxm(lxm),
1512 oauth.WithExp(60),
1513 oauth.WithDev(rp.config.Core.Dev),
1514 )
1515 if err != nil {
1516 log.Println("failed to create spindle client", err)
1517 return
1518 }
1519
1520 key := r.FormValue("key")
1521 if key == "" {
1522 w.WriteHeader(http.StatusBadRequest)
1523 return
1524 }
1525
1526 switch r.Method {
1527 case http.MethodPut:
1528 errorId := "add-secret-error"
1529
1530 value := r.FormValue("value")
1531 if value == "" {
1532 w.WriteHeader(http.StatusBadRequest)
1533 return
1534 }
1535
1536 err = tangled.RepoAddSecret(
1537 r.Context(),
1538 spindleClient,
1539 &tangled.RepoAddSecret_Input{
1540 Repo: f.RepoAt().String(),
1541 Key: key,
1542 Value: value,
1543 },
1544 )
1545 if err != nil {
1546 l.Error("Failed to add secret.", "err", err)
1547 rp.pages.Notice(w, errorId, "Failed to add secret.")
1548 return
1549 }
1550
1551 case http.MethodDelete:
1552 errorId := "operation-error"
1553
1554 err = tangled.RepoRemoveSecret(
1555 r.Context(),
1556 spindleClient,
1557 &tangled.RepoRemoveSecret_Input{
1558 Repo: f.RepoAt().String(),
1559 Key: key,
1560 },
1561 )
1562 if err != nil {
1563 l.Error("Failed to delete secret.", "err", err)
1564 rp.pages.Notice(w, errorId, "Failed to delete secret.")
1565 return
1566 }
1567 }
1568
1569 rp.pages.HxRefresh(w)
1570}
1571
1572type tab = map[string]any
1573
1574var (
1575 // would be great to have ordered maps right about now
1576 settingsTabs []tab = []tab{
1577 {"Name": "general", "Icon": "sliders-horizontal"},
1578 {"Name": "access", "Icon": "users"},
1579 {"Name": "pipelines", "Icon": "layers-2"},
1580 }
1581)
1582
1583func (rp *Repo) RepoSettings(w http.ResponseWriter, r *http.Request) {
1584 tabVal := r.URL.Query().Get("tab")
1585 if tabVal == "" {
1586 tabVal = "general"
1587 }
1588
1589 switch tabVal {
1590 case "general":
1591 rp.generalSettings(w, r)
1592
1593 case "access":
1594 rp.accessSettings(w, r)
1595
1596 case "pipelines":
1597 rp.pipelineSettings(w, r)
1598 }
1599}
1600
1601func (rp *Repo) generalSettings(w http.ResponseWriter, r *http.Request) {
1602 f, err := rp.repoResolver.Resolve(r)
1603 user := rp.oauth.GetUser(r)
1604
1605 scheme := "http"
1606 if !rp.config.Core.Dev {
1607 scheme = "https"
1608 }
1609 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
1610 xrpcc := &indigoxrpc.Client{
1611 Host: host,
1612 }
1613
1614 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
1615 xrpcBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
1616 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
1617 log.Println("failed to call XRPC repo.branches", xrpcerr)
1618 rp.pages.Error503(w)
1619 return
1620 }
1621
1622 var result types.RepoBranchesResponse
1623 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
1624 log.Println("failed to decode XRPC response", err)
1625 rp.pages.Error503(w)
1626 return
1627 }
1628
1629 labels, err := db.GetLabelDefinitions(rp.db, db.FilterIn("at_uri", f.Repo.Labels))
1630 if err != nil {
1631 log.Println("failed to fetch labels", err)
1632 rp.pages.Error503(w)
1633 return
1634 }
1635
1636 rp.pages.RepoGeneralSettings(w, pages.RepoGeneralSettingsParams{
1637 LoggedInUser: user,
1638 RepoInfo: f.RepoInfo(user),
1639 Branches: result.Branches,
1640 Labels: labels,
1641 Tabs: settingsTabs,
1642 Tab: "general",
1643 })
1644}
1645
1646func (rp *Repo) accessSettings(w http.ResponseWriter, r *http.Request) {
1647 f, err := rp.repoResolver.Resolve(r)
1648 user := rp.oauth.GetUser(r)
1649
1650 repoCollaborators, err := f.Collaborators(r.Context())
1651 if err != nil {
1652 log.Println("failed to get collaborators", err)
1653 }
1654
1655 rp.pages.RepoAccessSettings(w, pages.RepoAccessSettingsParams{
1656 LoggedInUser: user,
1657 RepoInfo: f.RepoInfo(user),
1658 Tabs: settingsTabs,
1659 Tab: "access",
1660 Collaborators: repoCollaborators,
1661 })
1662}
1663
1664func (rp *Repo) pipelineSettings(w http.ResponseWriter, r *http.Request) {
1665 f, err := rp.repoResolver.Resolve(r)
1666 user := rp.oauth.GetUser(r)
1667
1668 // all spindles that the repo owner is a member of
1669 spindles, err := rp.enforcer.GetSpindlesForUser(f.OwnerDid())
1670 if err != nil {
1671 log.Println("failed to fetch spindles", err)
1672 return
1673 }
1674
1675 var secrets []*tangled.RepoListSecrets_Secret
1676 if f.Spindle != "" {
1677 if spindleClient, err := rp.oauth.ServiceClient(
1678 r,
1679 oauth.WithService(f.Spindle),
1680 oauth.WithLxm(tangled.RepoListSecretsNSID),
1681 oauth.WithExp(60),
1682 oauth.WithDev(rp.config.Core.Dev),
1683 ); err != nil {
1684 log.Println("failed to create spindle client", err)
1685 } else if resp, err := tangled.RepoListSecrets(r.Context(), spindleClient, f.RepoAt().String()); err != nil {
1686 log.Println("failed to fetch secrets", err)
1687 } else {
1688 secrets = resp.Secrets
1689 }
1690 }
1691
1692 slices.SortFunc(secrets, func(a, b *tangled.RepoListSecrets_Secret) int {
1693 return strings.Compare(a.Key, b.Key)
1694 })
1695
1696 var dids []string
1697 for _, s := range secrets {
1698 dids = append(dids, s.CreatedBy)
1699 }
1700 resolvedIdents := rp.idResolver.ResolveIdents(r.Context(), dids)
1701
1702 // convert to a more manageable form
1703 var niceSecret []map[string]any
1704 for id, s := range secrets {
1705 when, _ := time.Parse(time.RFC3339, s.CreatedAt)
1706 niceSecret = append(niceSecret, map[string]any{
1707 "Id": id,
1708 "Key": s.Key,
1709 "CreatedAt": when,
1710 "CreatedBy": resolvedIdents[id].Handle.String(),
1711 })
1712 }
1713
1714 rp.pages.RepoPipelineSettings(w, pages.RepoPipelineSettingsParams{
1715 LoggedInUser: user,
1716 RepoInfo: f.RepoInfo(user),
1717 Tabs: settingsTabs,
1718 Tab: "pipelines",
1719 Spindles: spindles,
1720 CurrentSpindle: f.Spindle,
1721 Secrets: niceSecret,
1722 })
1723}
1724
1725func (rp *Repo) SyncRepoFork(w http.ResponseWriter, r *http.Request) {
1726 ref := chi.URLParam(r, "ref")
1727 ref, _ = url.PathUnescape(ref)
1728
1729 user := rp.oauth.GetUser(r)
1730 f, err := rp.repoResolver.Resolve(r)
1731 if err != nil {
1732 log.Printf("failed to resolve source repo: %v", err)
1733 return
1734 }
1735
1736 switch r.Method {
1737 case http.MethodPost:
1738 client, err := rp.oauth.ServiceClient(
1739 r,
1740 oauth.WithService(f.Knot),
1741 oauth.WithLxm(tangled.RepoForkSyncNSID),
1742 oauth.WithDev(rp.config.Core.Dev),
1743 )
1744 if err != nil {
1745 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1746 return
1747 }
1748
1749 repoInfo := f.RepoInfo(user)
1750 if repoInfo.Source == nil {
1751 rp.pages.Notice(w, "repo", "This repository is not a fork.")
1752 return
1753 }
1754
1755 err = tangled.RepoForkSync(
1756 r.Context(),
1757 client,
1758 &tangled.RepoForkSync_Input{
1759 Did: user.Did,
1760 Name: f.Name,
1761 Source: repoInfo.Source.RepoAt().String(),
1762 Branch: ref,
1763 },
1764 )
1765 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1766 rp.pages.Notice(w, "repo", err.Error())
1767 return
1768 }
1769
1770 rp.pages.HxRefresh(w)
1771 return
1772 }
1773}
1774
1775func (rp *Repo) ForkRepo(w http.ResponseWriter, r *http.Request) {
1776 user := rp.oauth.GetUser(r)
1777 f, err := rp.repoResolver.Resolve(r)
1778 if err != nil {
1779 log.Printf("failed to resolve source repo: %v", err)
1780 return
1781 }
1782
1783 switch r.Method {
1784 case http.MethodGet:
1785 user := rp.oauth.GetUser(r)
1786 knots, err := rp.enforcer.GetKnotsForUser(user.Did)
1787 if err != nil {
1788 rp.pages.Notice(w, "repo", "Invalid user account.")
1789 return
1790 }
1791
1792 rp.pages.ForkRepo(w, pages.ForkRepoParams{
1793 LoggedInUser: user,
1794 Knots: knots,
1795 RepoInfo: f.RepoInfo(user),
1796 })
1797
1798 case http.MethodPost:
1799 l := rp.logger.With("handler", "ForkRepo")
1800
1801 targetKnot := r.FormValue("knot")
1802 if targetKnot == "" {
1803 rp.pages.Notice(w, "repo", "Invalid form submission—missing knot domain.")
1804 return
1805 }
1806 l = l.With("targetKnot", targetKnot)
1807
1808 ok, err := rp.enforcer.E.Enforce(user.Did, targetKnot, targetKnot, "repo:create")
1809 if err != nil || !ok {
1810 rp.pages.Notice(w, "repo", "You do not have permission to create a repo in this knot.")
1811 return
1812 }
1813
1814 // choose a name for a fork
1815 forkName := f.Name
1816 // this check is *only* to see if the forked repo name already exists
1817 // in the user's account.
1818 existingRepo, err := db.GetRepo(
1819 rp.db,
1820 db.FilterEq("did", user.Did),
1821 db.FilterEq("name", f.Name),
1822 )
1823 if err != nil {
1824 if errors.Is(err, sql.ErrNoRows) {
1825 // no existing repo with this name found, we can use the name as is
1826 } else {
1827 log.Println("error fetching existing repo from db", "err", err)
1828 rp.pages.Notice(w, "repo", "Failed to fork this repository. Try again later.")
1829 return
1830 }
1831 } else if existingRepo != nil {
1832 // repo with this name already exists, append random string
1833 forkName = fmt.Sprintf("%s-%s", forkName, randomString(3))
1834 }
1835 l = l.With("forkName", forkName)
1836
1837 uri := "https"
1838 if rp.config.Core.Dev {
1839 uri = "http"
1840 }
1841
1842 forkSourceUrl := fmt.Sprintf("%s://%s/%s/%s", uri, f.Knot, f.OwnerDid(), f.Repo.Name)
1843 l = l.With("cloneUrl", forkSourceUrl)
1844
1845 sourceAt := f.RepoAt().String()
1846
1847 // create an atproto record for this fork
1848 rkey := tid.TID()
1849 repo := &db.Repo{
1850 Did: user.Did,
1851 Name: forkName,
1852 Knot: targetKnot,
1853 Rkey: rkey,
1854 Source: sourceAt,
1855 Description: existingRepo.Description,
1856 Created: time.Now(),
1857 }
1858 record := repo.AsRecord()
1859
1860 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1861 if err != nil {
1862 l.Error("failed to create xrpcclient", "err", err)
1863 rp.pages.Notice(w, "repo", "Failed to fork repository.")
1864 return
1865 }
1866
1867 atresp, err := xrpcClient.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1868 Collection: tangled.RepoNSID,
1869 Repo: user.Did,
1870 Rkey: rkey,
1871 Record: &lexutil.LexiconTypeDecoder{
1872 Val: &record,
1873 },
1874 })
1875 if err != nil {
1876 l.Error("failed to write to PDS", "err", err)
1877 rp.pages.Notice(w, "repo", "Failed to announce repository creation.")
1878 return
1879 }
1880
1881 aturi := atresp.Uri
1882 l = l.With("aturi", aturi)
1883 l.Info("wrote to PDS")
1884
1885 tx, err := rp.db.BeginTx(r.Context(), nil)
1886 if err != nil {
1887 l.Info("txn failed", "err", err)
1888 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1889 return
1890 }
1891
1892 // The rollback function reverts a few things on failure:
1893 // - the pending txn
1894 // - the ACLs
1895 // - the atproto record created
1896 rollback := func() {
1897 err1 := tx.Rollback()
1898 err2 := rp.enforcer.E.LoadPolicy()
1899 err3 := rollbackRecord(context.Background(), aturi, xrpcClient)
1900
1901 // ignore txn complete errors, this is okay
1902 if errors.Is(err1, sql.ErrTxDone) {
1903 err1 = nil
1904 }
1905
1906 if errs := errors.Join(err1, err2, err3); errs != nil {
1907 l.Error("failed to rollback changes", "errs", errs)
1908 return
1909 }
1910 }
1911 defer rollback()
1912
1913 client, err := rp.oauth.ServiceClient(
1914 r,
1915 oauth.WithService(targetKnot),
1916 oauth.WithLxm(tangled.RepoCreateNSID),
1917 oauth.WithDev(rp.config.Core.Dev),
1918 )
1919 if err != nil {
1920 l.Error("could not create service client", "err", err)
1921 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1922 return
1923 }
1924
1925 err = tangled.RepoCreate(
1926 r.Context(),
1927 client,
1928 &tangled.RepoCreate_Input{
1929 Rkey: rkey,
1930 Source: &forkSourceUrl,
1931 },
1932 )
1933 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1934 rp.pages.Notice(w, "repo", err.Error())
1935 return
1936 }
1937
1938 err = db.AddRepo(tx, repo)
1939 if err != nil {
1940 log.Println(err)
1941 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1942 return
1943 }
1944
1945 // acls
1946 p, _ := securejoin.SecureJoin(user.Did, forkName)
1947 err = rp.enforcer.AddRepo(user.Did, targetKnot, p)
1948 if err != nil {
1949 log.Println(err)
1950 rp.pages.Notice(w, "repo", "Failed to set up repository permissions.")
1951 return
1952 }
1953
1954 err = tx.Commit()
1955 if err != nil {
1956 log.Println("failed to commit changes", err)
1957 http.Error(w, err.Error(), http.StatusInternalServerError)
1958 return
1959 }
1960
1961 err = rp.enforcer.E.SavePolicy()
1962 if err != nil {
1963 log.Println("failed to update ACLs", err)
1964 http.Error(w, err.Error(), http.StatusInternalServerError)
1965 return
1966 }
1967
1968 // reset the ATURI because the transaction completed successfully
1969 aturi = ""
1970
1971 rp.notifier.NewRepo(r.Context(), repo)
1972 rp.pages.HxLocation(w, fmt.Sprintf("/@%s/%s", user.Handle, forkName))
1973 }
1974}
1975
1976// this is used to rollback changes made to the PDS
1977//
1978// it is a no-op if the provided ATURI is empty
1979func rollbackRecord(ctx context.Context, aturi string, xrpcc *xrpcclient.Client) error {
1980 if aturi == "" {
1981 return nil
1982 }
1983
1984 parsed := syntax.ATURI(aturi)
1985
1986 collection := parsed.Collection().String()
1987 repo := parsed.Authority().String()
1988 rkey := parsed.RecordKey().String()
1989
1990 _, err := xrpcc.RepoDeleteRecord(ctx, &comatproto.RepoDeleteRecord_Input{
1991 Collection: collection,
1992 Repo: repo,
1993 Rkey: rkey,
1994 })
1995 return err
1996}
1997
1998func (rp *Repo) RepoCompareNew(w http.ResponseWriter, r *http.Request) {
1999 user := rp.oauth.GetUser(r)
2000 f, err := rp.repoResolver.Resolve(r)
2001 if err != nil {
2002 log.Println("failed to get repo and knot", err)
2003 return
2004 }
2005
2006 scheme := "http"
2007 if !rp.config.Core.Dev {
2008 scheme = "https"
2009 }
2010 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2011 xrpcc := &indigoxrpc.Client{
2012 Host: host,
2013 }
2014
2015 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2016 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2017 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2018 log.Println("failed to call XRPC repo.branches", xrpcerr)
2019 rp.pages.Error503(w)
2020 return
2021 }
2022
2023 var branchResult types.RepoBranchesResponse
2024 if err := json.Unmarshal(branchBytes, &branchResult); err != nil {
2025 log.Println("failed to decode XRPC branches response", err)
2026 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2027 return
2028 }
2029 branches := branchResult.Branches
2030
2031 sortBranches(branches)
2032
2033 var defaultBranch string
2034 for _, b := range branches {
2035 if b.IsDefault {
2036 defaultBranch = b.Name
2037 }
2038 }
2039
2040 base := defaultBranch
2041 head := defaultBranch
2042
2043 params := r.URL.Query()
2044 queryBase := params.Get("base")
2045 queryHead := params.Get("head")
2046 if queryBase != "" {
2047 base = queryBase
2048 }
2049 if queryHead != "" {
2050 head = queryHead
2051 }
2052
2053 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2054 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2055 log.Println("failed to call XRPC repo.tags", xrpcerr)
2056 rp.pages.Error503(w)
2057 return
2058 }
2059
2060 var tags types.RepoTagsResponse
2061 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2062 log.Println("failed to decode XRPC tags response", err)
2063 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2064 return
2065 }
2066
2067 repoinfo := f.RepoInfo(user)
2068
2069 rp.pages.RepoCompareNew(w, pages.RepoCompareNewParams{
2070 LoggedInUser: user,
2071 RepoInfo: repoinfo,
2072 Branches: branches,
2073 Tags: tags.Tags,
2074 Base: base,
2075 Head: head,
2076 })
2077}
2078
2079func (rp *Repo) RepoCompare(w http.ResponseWriter, r *http.Request) {
2080 user := rp.oauth.GetUser(r)
2081 f, err := rp.repoResolver.Resolve(r)
2082 if err != nil {
2083 log.Println("failed to get repo and knot", err)
2084 return
2085 }
2086
2087 var diffOpts types.DiffOpts
2088 if d := r.URL.Query().Get("diff"); d == "split" {
2089 diffOpts.Split = true
2090 }
2091
2092 // if user is navigating to one of
2093 // /compare/{base}/{head}
2094 // /compare/{base}...{head}
2095 base := chi.URLParam(r, "base")
2096 head := chi.URLParam(r, "head")
2097 if base == "" && head == "" {
2098 rest := chi.URLParam(r, "*") // master...feature/xyz
2099 parts := strings.SplitN(rest, "...", 2)
2100 if len(parts) == 2 {
2101 base = parts[0]
2102 head = parts[1]
2103 }
2104 }
2105
2106 base, _ = url.PathUnescape(base)
2107 head, _ = url.PathUnescape(head)
2108
2109 if base == "" || head == "" {
2110 log.Printf("invalid comparison")
2111 rp.pages.Error404(w)
2112 return
2113 }
2114
2115 scheme := "http"
2116 if !rp.config.Core.Dev {
2117 scheme = "https"
2118 }
2119 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2120 xrpcc := &indigoxrpc.Client{
2121 Host: host,
2122 }
2123
2124 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2125
2126 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2127 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2128 log.Println("failed to call XRPC repo.branches", xrpcerr)
2129 rp.pages.Error503(w)
2130 return
2131 }
2132
2133 var branches types.RepoBranchesResponse
2134 if err := json.Unmarshal(branchBytes, &branches); err != nil {
2135 log.Println("failed to decode XRPC branches response", err)
2136 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2137 return
2138 }
2139
2140 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2141 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2142 log.Println("failed to call XRPC repo.tags", xrpcerr)
2143 rp.pages.Error503(w)
2144 return
2145 }
2146
2147 var tags types.RepoTagsResponse
2148 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2149 log.Println("failed to decode XRPC tags response", err)
2150 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2151 return
2152 }
2153
2154 compareBytes, err := tangled.RepoCompare(r.Context(), xrpcc, repo, base, head)
2155 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2156 log.Println("failed to call XRPC repo.compare", xrpcerr)
2157 rp.pages.Error503(w)
2158 return
2159 }
2160
2161 var formatPatch types.RepoFormatPatchResponse
2162 if err := json.Unmarshal(compareBytes, &formatPatch); err != nil {
2163 log.Println("failed to decode XRPC compare response", err)
2164 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2165 return
2166 }
2167
2168 diff := patchutil.AsNiceDiff(formatPatch.Patch, base)
2169
2170 repoinfo := f.RepoInfo(user)
2171
2172 rp.pages.RepoCompare(w, pages.RepoCompareParams{
2173 LoggedInUser: user,
2174 RepoInfo: repoinfo,
2175 Branches: branches.Branches,
2176 Tags: tags.Tags,
2177 Base: base,
2178 Head: head,
2179 Diff: &diff,
2180 DiffOpts: diffOpts,
2181 })
2182
2183}