this repo has no description
tangled.org
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.org/core/api/tangled"
24 "tangled.org/core/appview/commitverify"
25 "tangled.org/core/appview/config"
26 "tangled.org/core/appview/db"
27 "tangled.org/core/appview/notify"
28 "tangled.org/core/appview/oauth"
29 "tangled.org/core/appview/pages"
30 "tangled.org/core/appview/pages/markup"
31 "tangled.org/core/appview/reporesolver"
32 "tangled.org/core/appview/validator"
33 xrpcclient "tangled.org/core/appview/xrpcclient"
34 "tangled.org/core/eventconsumer"
35 "tangled.org/core/idresolver"
36 "tangled.org/core/patchutil"
37 "tangled.org/core/rbac"
38 "tangled.org/core/tid"
39 "tangled.org/core/types"
40 "tangled.org/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 // readme content
452 var (
453 readmeContent string
454 readmeFileName string
455 )
456
457 for _, filename := range markup.ReadmeFilenames {
458 path := fmt.Sprintf("%s/%s", treePath, filename)
459 blobResp, err := tangled.RepoBlob(r.Context(), xrpcc, path, false, ref, repo)
460 if err != nil {
461 continue
462 }
463
464 if blobResp == nil {
465 continue
466 }
467
468 readmeContent = blobResp.Content
469 readmeFileName = path
470 break
471 }
472
473 // Convert XRPC response to internal types.RepoTreeResponse
474 files := make([]types.NiceTree, len(xrpcResp.Files))
475 for i, xrpcFile := range xrpcResp.Files {
476 file := types.NiceTree{
477 Name: xrpcFile.Name,
478 Mode: xrpcFile.Mode,
479 Size: int64(xrpcFile.Size),
480 IsFile: xrpcFile.Is_file,
481 IsSubtree: xrpcFile.Is_subtree,
482 }
483
484 // Convert last commit info if present
485 if xrpcFile.Last_commit != nil {
486 commitWhen, _ := time.Parse(time.RFC3339, xrpcFile.Last_commit.When)
487 file.LastCommit = &types.LastCommitInfo{
488 Hash: plumbing.NewHash(xrpcFile.Last_commit.Hash),
489 Message: xrpcFile.Last_commit.Message,
490 When: commitWhen,
491 }
492 }
493
494 files[i] = file
495 }
496
497 result := types.RepoTreeResponse{
498 Ref: xrpcResp.Ref,
499 Files: files,
500 }
501
502 if xrpcResp.Parent != nil {
503 result.Parent = *xrpcResp.Parent
504 }
505 if xrpcResp.Dotdot != nil {
506 result.DotDot = *xrpcResp.Dotdot
507 }
508
509 // redirects tree paths trying to access a blob; in this case the result.Files is unpopulated,
510 // so we can safely redirect to the "parent" (which is the same file).
511 if len(result.Files) == 0 && result.Parent == treePath {
512 redirectTo := fmt.Sprintf("/%s/blob/%s/%s", f.OwnerSlashRepo(), url.PathEscape(ref), result.Parent)
513 http.Redirect(w, r, redirectTo, http.StatusFound)
514 return
515 }
516
517 user := rp.oauth.GetUser(r)
518
519 var breadcrumbs [][]string
520 breadcrumbs = append(breadcrumbs, []string{f.Name, fmt.Sprintf("/%s/tree/%s", f.OwnerSlashRepo(), url.PathEscape(ref))})
521 if treePath != "" {
522 for idx, elem := range strings.Split(treePath, "/") {
523 breadcrumbs = append(breadcrumbs, []string{elem, fmt.Sprintf("%s/%s", breadcrumbs[idx][1], url.PathEscape(elem))})
524 }
525 }
526
527 sortFiles(result.Files)
528
529 rp.pages.RepoTree(w, pages.RepoTreeParams{
530 LoggedInUser: user,
531 BreadCrumbs: breadcrumbs,
532 TreePath: treePath,
533 RepoInfo: f.RepoInfo(user),
534 Readme: readmeContent,
535 ReadmeFileName: readmeFileName,
536 RepoTreeResponse: result,
537 })
538}
539
540func (rp *Repo) RepoTags(w http.ResponseWriter, r *http.Request) {
541 f, err := rp.repoResolver.Resolve(r)
542 if err != nil {
543 log.Println("failed to get repo and knot", err)
544 return
545 }
546
547 scheme := "http"
548 if !rp.config.Core.Dev {
549 scheme = "https"
550 }
551 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
552 xrpcc := &indigoxrpc.Client{
553 Host: host,
554 }
555
556 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
557 xrpcBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
558 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
559 log.Println("failed to call XRPC repo.tags", xrpcerr)
560 rp.pages.Error503(w)
561 return
562 }
563
564 var result types.RepoTagsResponse
565 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
566 log.Println("failed to decode XRPC response", err)
567 rp.pages.Error503(w)
568 return
569 }
570
571 artifacts, err := db.GetArtifact(rp.db, db.FilterEq("repo_at", f.RepoAt()))
572 if err != nil {
573 log.Println("failed grab artifacts", err)
574 return
575 }
576
577 // convert artifacts to map for easy UI building
578 artifactMap := make(map[plumbing.Hash][]db.Artifact)
579 for _, a := range artifacts {
580 artifactMap[a.Tag] = append(artifactMap[a.Tag], a)
581 }
582
583 var danglingArtifacts []db.Artifact
584 for _, a := range artifacts {
585 found := false
586 for _, t := range result.Tags {
587 if t.Tag != nil {
588 if t.Tag.Hash == a.Tag {
589 found = true
590 }
591 }
592 }
593
594 if !found {
595 danglingArtifacts = append(danglingArtifacts, a)
596 }
597 }
598
599 user := rp.oauth.GetUser(r)
600 rp.pages.RepoTags(w, pages.RepoTagsParams{
601 LoggedInUser: user,
602 RepoInfo: f.RepoInfo(user),
603 RepoTagsResponse: result,
604 ArtifactMap: artifactMap,
605 DanglingArtifacts: danglingArtifacts,
606 })
607}
608
609func (rp *Repo) RepoBranches(w http.ResponseWriter, r *http.Request) {
610 f, err := rp.repoResolver.Resolve(r)
611 if err != nil {
612 log.Println("failed to get repo and knot", err)
613 return
614 }
615
616 scheme := "http"
617 if !rp.config.Core.Dev {
618 scheme = "https"
619 }
620 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
621 xrpcc := &indigoxrpc.Client{
622 Host: host,
623 }
624
625 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
626 xrpcBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
627 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
628 log.Println("failed to call XRPC repo.branches", xrpcerr)
629 rp.pages.Error503(w)
630 return
631 }
632
633 var result types.RepoBranchesResponse
634 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
635 log.Println("failed to decode XRPC response", err)
636 rp.pages.Error503(w)
637 return
638 }
639
640 sortBranches(result.Branches)
641
642 user := rp.oauth.GetUser(r)
643 rp.pages.RepoBranches(w, pages.RepoBranchesParams{
644 LoggedInUser: user,
645 RepoInfo: f.RepoInfo(user),
646 RepoBranchesResponse: result,
647 })
648}
649
650func (rp *Repo) RepoBlob(w http.ResponseWriter, r *http.Request) {
651 f, err := rp.repoResolver.Resolve(r)
652 if err != nil {
653 log.Println("failed to get repo and knot", err)
654 return
655 }
656
657 ref := chi.URLParam(r, "ref")
658 ref, _ = url.PathUnescape(ref)
659
660 filePath := chi.URLParam(r, "*")
661 filePath, _ = url.PathUnescape(filePath)
662
663 scheme := "http"
664 if !rp.config.Core.Dev {
665 scheme = "https"
666 }
667 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
668 xrpcc := &indigoxrpc.Client{
669 Host: host,
670 }
671
672 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Repo.Name)
673 resp, err := tangled.RepoBlob(r.Context(), xrpcc, filePath, false, ref, repo)
674 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
675 log.Println("failed to call XRPC repo.blob", xrpcerr)
676 rp.pages.Error503(w)
677 return
678 }
679
680 // Use XRPC response directly instead of converting to internal types
681
682 var breadcrumbs [][]string
683 breadcrumbs = append(breadcrumbs, []string{f.Name, fmt.Sprintf("/%s/tree/%s", f.OwnerSlashRepo(), url.PathEscape(ref))})
684 if filePath != "" {
685 for idx, elem := range strings.Split(filePath, "/") {
686 breadcrumbs = append(breadcrumbs, []string{elem, fmt.Sprintf("%s/%s", breadcrumbs[idx][1], url.PathEscape(elem))})
687 }
688 }
689
690 showRendered := false
691 renderToggle := false
692
693 if markup.GetFormat(resp.Path) == markup.FormatMarkdown {
694 renderToggle = true
695 showRendered = r.URL.Query().Get("code") != "true"
696 }
697
698 var unsupported bool
699 var isImage bool
700 var isVideo bool
701 var contentSrc string
702
703 if resp.IsBinary != nil && *resp.IsBinary {
704 ext := strings.ToLower(filepath.Ext(resp.Path))
705 switch ext {
706 case ".jpg", ".jpeg", ".png", ".gif", ".svg", ".webp":
707 isImage = true
708 case ".mp4", ".webm", ".ogg", ".mov", ".avi":
709 isVideo = true
710 default:
711 unsupported = true
712 }
713
714 // fetch the raw binary content using sh.tangled.repo.blob xrpc
715 repoName := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
716
717 baseURL := &url.URL{
718 Scheme: scheme,
719 Host: f.Knot,
720 Path: "/xrpc/sh.tangled.repo.blob",
721 }
722 query := baseURL.Query()
723 query.Set("repo", repoName)
724 query.Set("ref", ref)
725 query.Set("path", filePath)
726 query.Set("raw", "true")
727 baseURL.RawQuery = query.Encode()
728 blobURL := baseURL.String()
729
730 contentSrc = blobURL
731 if !rp.config.Core.Dev {
732 contentSrc = markup.GenerateCamoURL(rp.config.Camo.Host, rp.config.Camo.SharedSecret, blobURL)
733 }
734 }
735
736 lines := 0
737 if resp.IsBinary == nil || !*resp.IsBinary {
738 lines = strings.Count(resp.Content, "\n") + 1
739 }
740
741 var sizeHint uint64
742 if resp.Size != nil {
743 sizeHint = uint64(*resp.Size)
744 } else {
745 sizeHint = uint64(len(resp.Content))
746 }
747
748 user := rp.oauth.GetUser(r)
749
750 // Determine if content is binary (dereference pointer)
751 isBinary := false
752 if resp.IsBinary != nil {
753 isBinary = *resp.IsBinary
754 }
755
756 rp.pages.RepoBlob(w, pages.RepoBlobParams{
757 LoggedInUser: user,
758 RepoInfo: f.RepoInfo(user),
759 BreadCrumbs: breadcrumbs,
760 ShowRendered: showRendered,
761 RenderToggle: renderToggle,
762 Unsupported: unsupported,
763 IsImage: isImage,
764 IsVideo: isVideo,
765 ContentSrc: contentSrc,
766 RepoBlob_Output: resp,
767 Contents: resp.Content,
768 Lines: lines,
769 SizeHint: sizeHint,
770 IsBinary: isBinary,
771 })
772}
773
774func (rp *Repo) RepoBlobRaw(w http.ResponseWriter, r *http.Request) {
775 f, err := rp.repoResolver.Resolve(r)
776 if err != nil {
777 log.Println("failed to get repo and knot", err)
778 w.WriteHeader(http.StatusBadRequest)
779 return
780 }
781
782 ref := chi.URLParam(r, "ref")
783 ref, _ = url.PathUnescape(ref)
784
785 filePath := chi.URLParam(r, "*")
786 filePath, _ = url.PathUnescape(filePath)
787
788 scheme := "http"
789 if !rp.config.Core.Dev {
790 scheme = "https"
791 }
792
793 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Repo.Name)
794 baseURL := &url.URL{
795 Scheme: scheme,
796 Host: f.Knot,
797 Path: "/xrpc/sh.tangled.repo.blob",
798 }
799 query := baseURL.Query()
800 query.Set("repo", repo)
801 query.Set("ref", ref)
802 query.Set("path", filePath)
803 query.Set("raw", "true")
804 baseURL.RawQuery = query.Encode()
805 blobURL := baseURL.String()
806
807 req, err := http.NewRequest("GET", blobURL, nil)
808 if err != nil {
809 log.Println("failed to create request", err)
810 return
811 }
812
813 // forward the If-None-Match header
814 if clientETag := r.Header.Get("If-None-Match"); clientETag != "" {
815 req.Header.Set("If-None-Match", clientETag)
816 }
817
818 client := &http.Client{}
819 resp, err := client.Do(req)
820 if err != nil {
821 log.Println("failed to reach knotserver", err)
822 rp.pages.Error503(w)
823 return
824 }
825 defer resp.Body.Close()
826
827 // forward 304 not modified
828 if resp.StatusCode == http.StatusNotModified {
829 w.WriteHeader(http.StatusNotModified)
830 return
831 }
832
833 if resp.StatusCode != http.StatusOK {
834 log.Printf("knotserver returned non-OK status for raw blob %s: %d", blobURL, resp.StatusCode)
835 w.WriteHeader(resp.StatusCode)
836 _, _ = io.Copy(w, resp.Body)
837 return
838 }
839
840 contentType := resp.Header.Get("Content-Type")
841 body, err := io.ReadAll(resp.Body)
842 if err != nil {
843 log.Printf("error reading response body from knotserver: %v", err)
844 w.WriteHeader(http.StatusInternalServerError)
845 return
846 }
847
848 if strings.HasPrefix(contentType, "text/") || isTextualMimeType(contentType) {
849 // serve all textual content as text/plain
850 w.Header().Set("Content-Type", "text/plain; charset=utf-8")
851 w.Write(body)
852 } else if strings.HasPrefix(contentType, "image/") || strings.HasPrefix(contentType, "video/") {
853 // serve images and videos with their original content type
854 w.Header().Set("Content-Type", contentType)
855 w.Write(body)
856 } else {
857 w.WriteHeader(http.StatusUnsupportedMediaType)
858 w.Write([]byte("unsupported content type"))
859 return
860 }
861}
862
863// isTextualMimeType returns true if the MIME type represents textual content
864// that should be served as text/plain
865func isTextualMimeType(mimeType string) bool {
866 textualTypes := []string{
867 "application/json",
868 "application/xml",
869 "application/yaml",
870 "application/x-yaml",
871 "application/toml",
872 "application/javascript",
873 "application/ecmascript",
874 "message/",
875 }
876
877 return slices.Contains(textualTypes, mimeType)
878}
879
880// modify the spindle configured for this repo
881func (rp *Repo) EditSpindle(w http.ResponseWriter, r *http.Request) {
882 user := rp.oauth.GetUser(r)
883 l := rp.logger.With("handler", "EditSpindle")
884 l = l.With("did", user.Did)
885 l = l.With("handle", user.Handle)
886
887 errorId := "operation-error"
888 fail := func(msg string, err error) {
889 l.Error(msg, "err", err)
890 rp.pages.Notice(w, errorId, msg)
891 }
892
893 f, err := rp.repoResolver.Resolve(r)
894 if err != nil {
895 fail("Failed to resolve repo. Try again later", err)
896 return
897 }
898
899 newSpindle := r.FormValue("spindle")
900 removingSpindle := newSpindle == "[[none]]" // see pages/templates/repo/settings/pipelines.html for more info on why we use this value
901 client, err := rp.oauth.AuthorizedClient(r)
902 if err != nil {
903 fail("Failed to authorize. Try again later.", err)
904 return
905 }
906
907 if !removingSpindle {
908 // ensure that this is a valid spindle for this user
909 validSpindles, err := rp.enforcer.GetSpindlesForUser(user.Did)
910 if err != nil {
911 fail("Failed to find spindles. Try again later.", err)
912 return
913 }
914
915 if !slices.Contains(validSpindles, newSpindle) {
916 fail("Failed to configure spindle.", fmt.Errorf("%s is not a valid spindle: %q", newSpindle, validSpindles))
917 return
918 }
919 }
920
921 newRepo := f.Repo
922 newRepo.Spindle = newSpindle
923 record := newRepo.AsRecord()
924
925 spindlePtr := &newSpindle
926 if removingSpindle {
927 spindlePtr = nil
928 newRepo.Spindle = ""
929 }
930
931 // optimistic update
932 err = db.UpdateSpindle(rp.db, newRepo.RepoAt().String(), spindlePtr)
933 if err != nil {
934 fail("Failed to update spindle. Try again later.", err)
935 return
936 }
937
938 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
939 if err != nil {
940 fail("Failed to update spindle, no record found on PDS.", err)
941 return
942 }
943 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
944 Collection: tangled.RepoNSID,
945 Repo: newRepo.Did,
946 Rkey: newRepo.Rkey,
947 SwapRecord: ex.Cid,
948 Record: &lexutil.LexiconTypeDecoder{
949 Val: &record,
950 },
951 })
952
953 if err != nil {
954 fail("Failed to update spindle, unable to save to PDS.", err)
955 return
956 }
957
958 if !removingSpindle {
959 // add this spindle to spindle stream
960 rp.spindlestream.AddSource(
961 context.Background(),
962 eventconsumer.NewSpindleSource(newSpindle),
963 )
964 }
965
966 rp.pages.HxRefresh(w)
967}
968
969func (rp *Repo) AddLabel(w http.ResponseWriter, r *http.Request) {
970 user := rp.oauth.GetUser(r)
971 l := rp.logger.With("handler", "AddLabel")
972 l = l.With("did", user.Did)
973 l = l.With("handle", user.Handle)
974
975 f, err := rp.repoResolver.Resolve(r)
976 if err != nil {
977 l.Error("failed to get repo and knot", "err", err)
978 return
979 }
980
981 errorId := "add-label-error"
982 fail := func(msg string, err error) {
983 l.Error(msg, "err", err)
984 rp.pages.Notice(w, errorId, msg)
985 }
986
987 // get form values for label definition
988 name := r.FormValue("name")
989 concreteType := r.FormValue("valueType")
990 enumValues := r.FormValue("enumValues")
991 scope := r.FormValue("scope")
992 color := r.FormValue("color")
993 multiple := r.FormValue("multiple") == "true"
994
995 var variants []string
996 for part := range strings.SplitSeq(enumValues, ",") {
997 if part = strings.TrimSpace(part); part != "" {
998 variants = append(variants, part)
999 }
1000 }
1001
1002 valueType := db.ValueType{
1003 Type: db.ConcreteType(concreteType),
1004 Format: db.ValueTypeFormatAny,
1005 Enum: variants,
1006 }
1007
1008 label := db.LabelDefinition{
1009 Did: user.Did,
1010 Rkey: tid.TID(),
1011 Name: name,
1012 ValueType: valueType,
1013 Scope: syntax.NSID(scope),
1014 Color: &color,
1015 Multiple: multiple,
1016 Created: time.Now(),
1017 }
1018 if err := rp.validator.ValidateLabelDefinition(&label); err != nil {
1019 fail(err.Error(), err)
1020 return
1021 }
1022
1023 // announce this relation into the firehose, store into owners' pds
1024 client, err := rp.oauth.AuthorizedClient(r)
1025 if err != nil {
1026 fail(err.Error(), err)
1027 return
1028 }
1029
1030 // emit a labelRecord
1031 labelRecord := label.AsRecord()
1032 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1033 Collection: tangled.LabelDefinitionNSID,
1034 Repo: label.Did,
1035 Rkey: label.Rkey,
1036 Record: &lexutil.LexiconTypeDecoder{
1037 Val: &labelRecord,
1038 },
1039 })
1040 // invalid record
1041 if err != nil {
1042 fail("Failed to write record to PDS.", err)
1043 return
1044 }
1045
1046 aturi := resp.Uri
1047 l = l.With("at-uri", aturi)
1048 l.Info("wrote label record to PDS")
1049
1050 // update the repo to subscribe to this label
1051 newRepo := f.Repo
1052 newRepo.Labels = append(newRepo.Labels, aturi)
1053 repoRecord := newRepo.AsRecord()
1054
1055 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1056 if err != nil {
1057 fail("Failed to update labels, no record found on PDS.", err)
1058 return
1059 }
1060 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1061 Collection: tangled.RepoNSID,
1062 Repo: newRepo.Did,
1063 Rkey: newRepo.Rkey,
1064 SwapRecord: ex.Cid,
1065 Record: &lexutil.LexiconTypeDecoder{
1066 Val: &repoRecord,
1067 },
1068 })
1069
1070 tx, err := rp.db.BeginTx(r.Context(), nil)
1071 if err != nil {
1072 fail("Failed to add label.", err)
1073 return
1074 }
1075
1076 rollback := func() {
1077 err1 := tx.Rollback()
1078 err2 := rollbackRecord(context.Background(), aturi, client)
1079
1080 // ignore txn complete errors, this is okay
1081 if errors.Is(err1, sql.ErrTxDone) {
1082 err1 = nil
1083 }
1084
1085 if errs := errors.Join(err1, err2); errs != nil {
1086 l.Error("failed to rollback changes", "errs", errs)
1087 return
1088 }
1089 }
1090 defer rollback()
1091
1092 _, err = db.AddLabelDefinition(tx, &label)
1093 if err != nil {
1094 fail("Failed to add label.", err)
1095 return
1096 }
1097
1098 err = db.SubscribeLabel(tx, &db.RepoLabel{
1099 RepoAt: f.RepoAt(),
1100 LabelAt: label.AtUri(),
1101 })
1102
1103 err = tx.Commit()
1104 if err != nil {
1105 fail("Failed to add label.", err)
1106 return
1107 }
1108
1109 // clear aturi when everything is successful
1110 aturi = ""
1111
1112 rp.pages.HxRefresh(w)
1113}
1114
1115func (rp *Repo) DeleteLabel(w http.ResponseWriter, r *http.Request) {
1116 user := rp.oauth.GetUser(r)
1117 l := rp.logger.With("handler", "DeleteLabel")
1118 l = l.With("did", user.Did)
1119 l = l.With("handle", user.Handle)
1120
1121 f, err := rp.repoResolver.Resolve(r)
1122 if err != nil {
1123 l.Error("failed to get repo and knot", "err", err)
1124 return
1125 }
1126
1127 errorId := "label-operation"
1128 fail := func(msg string, err error) {
1129 l.Error(msg, "err", err)
1130 rp.pages.Notice(w, errorId, msg)
1131 }
1132
1133 // get form values
1134 labelId := r.FormValue("label-id")
1135
1136 label, err := db.GetLabelDefinition(rp.db, db.FilterEq("id", labelId))
1137 if err != nil {
1138 fail("Failed to find label definition.", err)
1139 return
1140 }
1141
1142 client, err := rp.oauth.AuthorizedClient(r)
1143 if err != nil {
1144 fail(err.Error(), err)
1145 return
1146 }
1147
1148 // delete label record from PDS
1149 _, err = client.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1150 Collection: tangled.LabelDefinitionNSID,
1151 Repo: label.Did,
1152 Rkey: label.Rkey,
1153 })
1154 if err != nil {
1155 fail("Failed to delete label record from PDS.", err)
1156 return
1157 }
1158
1159 // update repo record to remove the label reference
1160 newRepo := f.Repo
1161 var updated []string
1162 removedAt := label.AtUri().String()
1163 for _, l := range newRepo.Labels {
1164 if l != removedAt {
1165 updated = append(updated, l)
1166 }
1167 }
1168 newRepo.Labels = updated
1169 repoRecord := newRepo.AsRecord()
1170
1171 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1172 if err != nil {
1173 fail("Failed to update labels, no record found on PDS.", err)
1174 return
1175 }
1176 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1177 Collection: tangled.RepoNSID,
1178 Repo: newRepo.Did,
1179 Rkey: newRepo.Rkey,
1180 SwapRecord: ex.Cid,
1181 Record: &lexutil.LexiconTypeDecoder{
1182 Val: &repoRecord,
1183 },
1184 })
1185 if err != nil {
1186 fail("Failed to update repo record.", err)
1187 return
1188 }
1189
1190 // transaction for DB changes
1191 tx, err := rp.db.BeginTx(r.Context(), nil)
1192 if err != nil {
1193 fail("Failed to delete label.", err)
1194 return
1195 }
1196 defer tx.Rollback()
1197
1198 err = db.UnsubscribeLabel(
1199 tx,
1200 db.FilterEq("repo_at", f.RepoAt()),
1201 db.FilterEq("label_at", removedAt),
1202 )
1203 if err != nil {
1204 fail("Failed to unsubscribe label.", err)
1205 return
1206 }
1207
1208 err = db.DeleteLabelDefinition(tx, db.FilterEq("id", label.Id))
1209 if err != nil {
1210 fail("Failed to delete label definition.", err)
1211 return
1212 }
1213
1214 err = tx.Commit()
1215 if err != nil {
1216 fail("Failed to delete label.", err)
1217 return
1218 }
1219
1220 // everything succeeded
1221 rp.pages.HxRefresh(w)
1222}
1223
1224func (rp *Repo) AddCollaborator(w http.ResponseWriter, r *http.Request) {
1225 user := rp.oauth.GetUser(r)
1226 l := rp.logger.With("handler", "AddCollaborator")
1227 l = l.With("did", user.Did)
1228 l = l.With("handle", user.Handle)
1229
1230 f, err := rp.repoResolver.Resolve(r)
1231 if err != nil {
1232 l.Error("failed to get repo and knot", "err", err)
1233 return
1234 }
1235
1236 errorId := "add-collaborator-error"
1237 fail := func(msg string, err error) {
1238 l.Error(msg, "err", err)
1239 rp.pages.Notice(w, errorId, msg)
1240 }
1241
1242 collaborator := r.FormValue("collaborator")
1243 if collaborator == "" {
1244 fail("Invalid form.", nil)
1245 return
1246 }
1247
1248 // remove a single leading `@`, to make @handle work with ResolveIdent
1249 collaborator = strings.TrimPrefix(collaborator, "@")
1250
1251 collaboratorIdent, err := rp.idResolver.ResolveIdent(r.Context(), collaborator)
1252 if err != nil {
1253 fail(fmt.Sprintf("'%s' is not a valid DID/handle.", collaborator), err)
1254 return
1255 }
1256
1257 if collaboratorIdent.DID.String() == user.Did {
1258 fail("You seem to be adding yourself as a collaborator.", nil)
1259 return
1260 }
1261 l = l.With("collaborator", collaboratorIdent.Handle)
1262 l = l.With("knot", f.Knot)
1263
1264 // announce this relation into the firehose, store into owners' pds
1265 client, err := rp.oauth.AuthorizedClient(r)
1266 if err != nil {
1267 fail("Failed to write to PDS.", err)
1268 return
1269 }
1270
1271 // emit a record
1272 currentUser := rp.oauth.GetUser(r)
1273 rkey := tid.TID()
1274 createdAt := time.Now()
1275 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1276 Collection: tangled.RepoCollaboratorNSID,
1277 Repo: currentUser.Did,
1278 Rkey: rkey,
1279 Record: &lexutil.LexiconTypeDecoder{
1280 Val: &tangled.RepoCollaborator{
1281 Subject: collaboratorIdent.DID.String(),
1282 Repo: string(f.RepoAt()),
1283 CreatedAt: createdAt.Format(time.RFC3339),
1284 }},
1285 })
1286 // invalid record
1287 if err != nil {
1288 fail("Failed to write record to PDS.", err)
1289 return
1290 }
1291
1292 aturi := resp.Uri
1293 l = l.With("at-uri", aturi)
1294 l.Info("wrote record to PDS")
1295
1296 tx, err := rp.db.BeginTx(r.Context(), nil)
1297 if err != nil {
1298 fail("Failed to add collaborator.", err)
1299 return
1300 }
1301
1302 rollback := func() {
1303 err1 := tx.Rollback()
1304 err2 := rp.enforcer.E.LoadPolicy()
1305 err3 := rollbackRecord(context.Background(), aturi, client)
1306
1307 // ignore txn complete errors, this is okay
1308 if errors.Is(err1, sql.ErrTxDone) {
1309 err1 = nil
1310 }
1311
1312 if errs := errors.Join(err1, err2, err3); errs != nil {
1313 l.Error("failed to rollback changes", "errs", errs)
1314 return
1315 }
1316 }
1317 defer rollback()
1318
1319 err = rp.enforcer.AddCollaborator(collaboratorIdent.DID.String(), f.Knot, f.DidSlashRepo())
1320 if err != nil {
1321 fail("Failed to add collaborator permissions.", err)
1322 return
1323 }
1324
1325 err = db.AddCollaborator(tx, db.Collaborator{
1326 Did: syntax.DID(currentUser.Did),
1327 Rkey: rkey,
1328 SubjectDid: collaboratorIdent.DID,
1329 RepoAt: f.RepoAt(),
1330 Created: createdAt,
1331 })
1332 if err != nil {
1333 fail("Failed to add collaborator.", err)
1334 return
1335 }
1336
1337 err = tx.Commit()
1338 if err != nil {
1339 fail("Failed to add collaborator.", err)
1340 return
1341 }
1342
1343 err = rp.enforcer.E.SavePolicy()
1344 if err != nil {
1345 fail("Failed to update collaborator permissions.", err)
1346 return
1347 }
1348
1349 // clear aturi to when everything is successful
1350 aturi = ""
1351
1352 rp.pages.HxRefresh(w)
1353}
1354
1355func (rp *Repo) DeleteRepo(w http.ResponseWriter, r *http.Request) {
1356 user := rp.oauth.GetUser(r)
1357
1358 noticeId := "operation-error"
1359 f, err := rp.repoResolver.Resolve(r)
1360 if err != nil {
1361 log.Println("failed to get repo and knot", err)
1362 return
1363 }
1364
1365 // remove record from pds
1366 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1367 if err != nil {
1368 log.Println("failed to get authorized client", err)
1369 return
1370 }
1371 _, err = xrpcClient.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1372 Collection: tangled.RepoNSID,
1373 Repo: user.Did,
1374 Rkey: f.Rkey,
1375 })
1376 if err != nil {
1377 log.Printf("failed to delete record: %s", err)
1378 rp.pages.Notice(w, noticeId, "Failed to delete repository from PDS.")
1379 return
1380 }
1381 log.Println("removed repo record ", f.RepoAt().String())
1382
1383 client, err := rp.oauth.ServiceClient(
1384 r,
1385 oauth.WithService(f.Knot),
1386 oauth.WithLxm(tangled.RepoDeleteNSID),
1387 oauth.WithDev(rp.config.Core.Dev),
1388 )
1389 if err != nil {
1390 log.Println("failed to connect to knot server:", err)
1391 return
1392 }
1393
1394 err = tangled.RepoDelete(
1395 r.Context(),
1396 client,
1397 &tangled.RepoDelete_Input{
1398 Did: f.OwnerDid(),
1399 Name: f.Name,
1400 Rkey: f.Rkey,
1401 },
1402 )
1403 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1404 rp.pages.Notice(w, noticeId, err.Error())
1405 return
1406 }
1407 log.Println("deleted repo from knot")
1408
1409 tx, err := rp.db.BeginTx(r.Context(), nil)
1410 if err != nil {
1411 log.Println("failed to start tx")
1412 w.Write(fmt.Append(nil, "failed to add collaborator: ", err))
1413 return
1414 }
1415 defer func() {
1416 tx.Rollback()
1417 err = rp.enforcer.E.LoadPolicy()
1418 if err != nil {
1419 log.Println("failed to rollback policies")
1420 }
1421 }()
1422
1423 // remove collaborator RBAC
1424 repoCollaborators, err := rp.enforcer.E.GetImplicitUsersForResourceByDomain(f.DidSlashRepo(), f.Knot)
1425 if err != nil {
1426 rp.pages.Notice(w, noticeId, "Failed to remove collaborators")
1427 return
1428 }
1429 for _, c := range repoCollaborators {
1430 did := c[0]
1431 rp.enforcer.RemoveCollaborator(did, f.Knot, f.DidSlashRepo())
1432 }
1433 log.Println("removed collaborators")
1434
1435 // remove repo RBAC
1436 err = rp.enforcer.RemoveRepo(f.OwnerDid(), f.Knot, f.DidSlashRepo())
1437 if err != nil {
1438 rp.pages.Notice(w, noticeId, "Failed to update RBAC rules")
1439 return
1440 }
1441
1442 // remove repo from db
1443 err = db.RemoveRepo(tx, f.OwnerDid(), f.Name)
1444 if err != nil {
1445 rp.pages.Notice(w, noticeId, "Failed to update appview")
1446 return
1447 }
1448 log.Println("removed repo from db")
1449
1450 err = tx.Commit()
1451 if err != nil {
1452 log.Println("failed to commit changes", err)
1453 http.Error(w, err.Error(), http.StatusInternalServerError)
1454 return
1455 }
1456
1457 err = rp.enforcer.E.SavePolicy()
1458 if err != nil {
1459 log.Println("failed to update ACLs", err)
1460 http.Error(w, err.Error(), http.StatusInternalServerError)
1461 return
1462 }
1463
1464 rp.pages.HxRedirect(w, fmt.Sprintf("/%s", f.OwnerDid()))
1465}
1466
1467func (rp *Repo) SetDefaultBranch(w http.ResponseWriter, r *http.Request) {
1468 f, err := rp.repoResolver.Resolve(r)
1469 if err != nil {
1470 log.Println("failed to get repo and knot", err)
1471 return
1472 }
1473
1474 noticeId := "operation-error"
1475 branch := r.FormValue("branch")
1476 if branch == "" {
1477 http.Error(w, "malformed form", http.StatusBadRequest)
1478 return
1479 }
1480
1481 client, err := rp.oauth.ServiceClient(
1482 r,
1483 oauth.WithService(f.Knot),
1484 oauth.WithLxm(tangled.RepoSetDefaultBranchNSID),
1485 oauth.WithDev(rp.config.Core.Dev),
1486 )
1487 if err != nil {
1488 log.Println("failed to connect to knot server:", err)
1489 rp.pages.Notice(w, noticeId, "Failed to connect to knot server.")
1490 return
1491 }
1492
1493 xe := tangled.RepoSetDefaultBranch(
1494 r.Context(),
1495 client,
1496 &tangled.RepoSetDefaultBranch_Input{
1497 Repo: f.RepoAt().String(),
1498 DefaultBranch: branch,
1499 },
1500 )
1501 if err := xrpcclient.HandleXrpcErr(xe); err != nil {
1502 log.Println("xrpc failed", "err", xe)
1503 rp.pages.Notice(w, noticeId, err.Error())
1504 return
1505 }
1506
1507 rp.pages.HxRefresh(w)
1508}
1509
1510func (rp *Repo) Secrets(w http.ResponseWriter, r *http.Request) {
1511 user := rp.oauth.GetUser(r)
1512 l := rp.logger.With("handler", "Secrets")
1513 l = l.With("handle", user.Handle)
1514 l = l.With("did", user.Did)
1515
1516 f, err := rp.repoResolver.Resolve(r)
1517 if err != nil {
1518 log.Println("failed to get repo and knot", err)
1519 return
1520 }
1521
1522 if f.Spindle == "" {
1523 log.Println("empty spindle cannot add/rm secret", err)
1524 return
1525 }
1526
1527 lxm := tangled.RepoAddSecretNSID
1528 if r.Method == http.MethodDelete {
1529 lxm = tangled.RepoRemoveSecretNSID
1530 }
1531
1532 spindleClient, err := rp.oauth.ServiceClient(
1533 r,
1534 oauth.WithService(f.Spindle),
1535 oauth.WithLxm(lxm),
1536 oauth.WithExp(60),
1537 oauth.WithDev(rp.config.Core.Dev),
1538 )
1539 if err != nil {
1540 log.Println("failed to create spindle client", err)
1541 return
1542 }
1543
1544 key := r.FormValue("key")
1545 if key == "" {
1546 w.WriteHeader(http.StatusBadRequest)
1547 return
1548 }
1549
1550 switch r.Method {
1551 case http.MethodPut:
1552 errorId := "add-secret-error"
1553
1554 value := r.FormValue("value")
1555 if value == "" {
1556 w.WriteHeader(http.StatusBadRequest)
1557 return
1558 }
1559
1560 err = tangled.RepoAddSecret(
1561 r.Context(),
1562 spindleClient,
1563 &tangled.RepoAddSecret_Input{
1564 Repo: f.RepoAt().String(),
1565 Key: key,
1566 Value: value,
1567 },
1568 )
1569 if err != nil {
1570 l.Error("Failed to add secret.", "err", err)
1571 rp.pages.Notice(w, errorId, "Failed to add secret.")
1572 return
1573 }
1574
1575 case http.MethodDelete:
1576 errorId := "operation-error"
1577
1578 err = tangled.RepoRemoveSecret(
1579 r.Context(),
1580 spindleClient,
1581 &tangled.RepoRemoveSecret_Input{
1582 Repo: f.RepoAt().String(),
1583 Key: key,
1584 },
1585 )
1586 if err != nil {
1587 l.Error("Failed to delete secret.", "err", err)
1588 rp.pages.Notice(w, errorId, "Failed to delete secret.")
1589 return
1590 }
1591 }
1592
1593 rp.pages.HxRefresh(w)
1594}
1595
1596type tab = map[string]any
1597
1598var (
1599 // would be great to have ordered maps right about now
1600 settingsTabs []tab = []tab{
1601 {"Name": "general", "Icon": "sliders-horizontal"},
1602 {"Name": "access", "Icon": "users"},
1603 {"Name": "pipelines", "Icon": "layers-2"},
1604 }
1605)
1606
1607func (rp *Repo) RepoSettings(w http.ResponseWriter, r *http.Request) {
1608 tabVal := r.URL.Query().Get("tab")
1609 if tabVal == "" {
1610 tabVal = "general"
1611 }
1612
1613 switch tabVal {
1614 case "general":
1615 rp.generalSettings(w, r)
1616
1617 case "access":
1618 rp.accessSettings(w, r)
1619
1620 case "pipelines":
1621 rp.pipelineSettings(w, r)
1622 }
1623}
1624
1625func (rp *Repo) generalSettings(w http.ResponseWriter, r *http.Request) {
1626 f, err := rp.repoResolver.Resolve(r)
1627 user := rp.oauth.GetUser(r)
1628
1629 scheme := "http"
1630 if !rp.config.Core.Dev {
1631 scheme = "https"
1632 }
1633 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
1634 xrpcc := &indigoxrpc.Client{
1635 Host: host,
1636 }
1637
1638 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
1639 xrpcBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
1640 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
1641 log.Println("failed to call XRPC repo.branches", xrpcerr)
1642 rp.pages.Error503(w)
1643 return
1644 }
1645
1646 var result types.RepoBranchesResponse
1647 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
1648 log.Println("failed to decode XRPC response", err)
1649 rp.pages.Error503(w)
1650 return
1651 }
1652
1653 labels, err := db.GetLabelDefinitions(rp.db, db.FilterIn("at_uri", f.Repo.Labels))
1654 if err != nil {
1655 log.Println("failed to fetch labels", err)
1656 rp.pages.Error503(w)
1657 return
1658 }
1659
1660 rp.pages.RepoGeneralSettings(w, pages.RepoGeneralSettingsParams{
1661 LoggedInUser: user,
1662 RepoInfo: f.RepoInfo(user),
1663 Branches: result.Branches,
1664 Labels: labels,
1665 Tabs: settingsTabs,
1666 Tab: "general",
1667 })
1668}
1669
1670func (rp *Repo) accessSettings(w http.ResponseWriter, r *http.Request) {
1671 f, err := rp.repoResolver.Resolve(r)
1672 user := rp.oauth.GetUser(r)
1673
1674 repoCollaborators, err := f.Collaborators(r.Context())
1675 if err != nil {
1676 log.Println("failed to get collaborators", err)
1677 }
1678
1679 rp.pages.RepoAccessSettings(w, pages.RepoAccessSettingsParams{
1680 LoggedInUser: user,
1681 RepoInfo: f.RepoInfo(user),
1682 Tabs: settingsTabs,
1683 Tab: "access",
1684 Collaborators: repoCollaborators,
1685 })
1686}
1687
1688func (rp *Repo) pipelineSettings(w http.ResponseWriter, r *http.Request) {
1689 f, err := rp.repoResolver.Resolve(r)
1690 user := rp.oauth.GetUser(r)
1691
1692 // all spindles that the repo owner is a member of
1693 spindles, err := rp.enforcer.GetSpindlesForUser(f.OwnerDid())
1694 if err != nil {
1695 log.Println("failed to fetch spindles", err)
1696 return
1697 }
1698
1699 var secrets []*tangled.RepoListSecrets_Secret
1700 if f.Spindle != "" {
1701 if spindleClient, err := rp.oauth.ServiceClient(
1702 r,
1703 oauth.WithService(f.Spindle),
1704 oauth.WithLxm(tangled.RepoListSecretsNSID),
1705 oauth.WithExp(60),
1706 oauth.WithDev(rp.config.Core.Dev),
1707 ); err != nil {
1708 log.Println("failed to create spindle client", err)
1709 } else if resp, err := tangled.RepoListSecrets(r.Context(), spindleClient, f.RepoAt().String()); err != nil {
1710 log.Println("failed to fetch secrets", err)
1711 } else {
1712 secrets = resp.Secrets
1713 }
1714 }
1715
1716 slices.SortFunc(secrets, func(a, b *tangled.RepoListSecrets_Secret) int {
1717 return strings.Compare(a.Key, b.Key)
1718 })
1719
1720 var dids []string
1721 for _, s := range secrets {
1722 dids = append(dids, s.CreatedBy)
1723 }
1724 resolvedIdents := rp.idResolver.ResolveIdents(r.Context(), dids)
1725
1726 // convert to a more manageable form
1727 var niceSecret []map[string]any
1728 for id, s := range secrets {
1729 when, _ := time.Parse(time.RFC3339, s.CreatedAt)
1730 niceSecret = append(niceSecret, map[string]any{
1731 "Id": id,
1732 "Key": s.Key,
1733 "CreatedAt": when,
1734 "CreatedBy": resolvedIdents[id].Handle.String(),
1735 })
1736 }
1737
1738 rp.pages.RepoPipelineSettings(w, pages.RepoPipelineSettingsParams{
1739 LoggedInUser: user,
1740 RepoInfo: f.RepoInfo(user),
1741 Tabs: settingsTabs,
1742 Tab: "pipelines",
1743 Spindles: spindles,
1744 CurrentSpindle: f.Spindle,
1745 Secrets: niceSecret,
1746 })
1747}
1748
1749func (rp *Repo) SyncRepoFork(w http.ResponseWriter, r *http.Request) {
1750 ref := chi.URLParam(r, "ref")
1751 ref, _ = url.PathUnescape(ref)
1752
1753 user := rp.oauth.GetUser(r)
1754 f, err := rp.repoResolver.Resolve(r)
1755 if err != nil {
1756 log.Printf("failed to resolve source repo: %v", err)
1757 return
1758 }
1759
1760 switch r.Method {
1761 case http.MethodPost:
1762 client, err := rp.oauth.ServiceClient(
1763 r,
1764 oauth.WithService(f.Knot),
1765 oauth.WithLxm(tangled.RepoForkSyncNSID),
1766 oauth.WithDev(rp.config.Core.Dev),
1767 )
1768 if err != nil {
1769 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1770 return
1771 }
1772
1773 repoInfo := f.RepoInfo(user)
1774 if repoInfo.Source == nil {
1775 rp.pages.Notice(w, "repo", "This repository is not a fork.")
1776 return
1777 }
1778
1779 err = tangled.RepoForkSync(
1780 r.Context(),
1781 client,
1782 &tangled.RepoForkSync_Input{
1783 Did: user.Did,
1784 Name: f.Name,
1785 Source: repoInfo.Source.RepoAt().String(),
1786 Branch: ref,
1787 },
1788 )
1789 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1790 rp.pages.Notice(w, "repo", err.Error())
1791 return
1792 }
1793
1794 rp.pages.HxRefresh(w)
1795 return
1796 }
1797}
1798
1799func (rp *Repo) ForkRepo(w http.ResponseWriter, r *http.Request) {
1800 user := rp.oauth.GetUser(r)
1801 f, err := rp.repoResolver.Resolve(r)
1802 if err != nil {
1803 log.Printf("failed to resolve source repo: %v", err)
1804 return
1805 }
1806
1807 switch r.Method {
1808 case http.MethodGet:
1809 user := rp.oauth.GetUser(r)
1810 knots, err := rp.enforcer.GetKnotsForUser(user.Did)
1811 if err != nil {
1812 rp.pages.Notice(w, "repo", "Invalid user account.")
1813 return
1814 }
1815
1816 rp.pages.ForkRepo(w, pages.ForkRepoParams{
1817 LoggedInUser: user,
1818 Knots: knots,
1819 RepoInfo: f.RepoInfo(user),
1820 })
1821
1822 case http.MethodPost:
1823 l := rp.logger.With("handler", "ForkRepo")
1824
1825 targetKnot := r.FormValue("knot")
1826 if targetKnot == "" {
1827 rp.pages.Notice(w, "repo", "Invalid form submission—missing knot domain.")
1828 return
1829 }
1830 l = l.With("targetKnot", targetKnot)
1831
1832 ok, err := rp.enforcer.E.Enforce(user.Did, targetKnot, targetKnot, "repo:create")
1833 if err != nil || !ok {
1834 rp.pages.Notice(w, "repo", "You do not have permission to create a repo in this knot.")
1835 return
1836 }
1837
1838 // choose a name for a fork
1839 forkName := f.Name
1840 // this check is *only* to see if the forked repo name already exists
1841 // in the user's account.
1842 existingRepo, err := db.GetRepo(
1843 rp.db,
1844 db.FilterEq("did", user.Did),
1845 db.FilterEq("name", f.Name),
1846 )
1847 if err != nil {
1848 if errors.Is(err, sql.ErrNoRows) {
1849 // no existing repo with this name found, we can use the name as is
1850 } else {
1851 log.Println("error fetching existing repo from db", "err", err)
1852 rp.pages.Notice(w, "repo", "Failed to fork this repository. Try again later.")
1853 return
1854 }
1855 } else if existingRepo != nil {
1856 // repo with this name already exists, append random string
1857 forkName = fmt.Sprintf("%s-%s", forkName, randomString(3))
1858 }
1859 l = l.With("forkName", forkName)
1860
1861 uri := "https"
1862 if rp.config.Core.Dev {
1863 uri = "http"
1864 }
1865
1866 forkSourceUrl := fmt.Sprintf("%s://%s/%s/%s", uri, f.Knot, f.OwnerDid(), f.Repo.Name)
1867 l = l.With("cloneUrl", forkSourceUrl)
1868
1869 sourceAt := f.RepoAt().String()
1870
1871 // create an atproto record for this fork
1872 rkey := tid.TID()
1873 repo := &db.Repo{
1874 Did: user.Did,
1875 Name: forkName,
1876 Knot: targetKnot,
1877 Rkey: rkey,
1878 Source: sourceAt,
1879 Description: existingRepo.Description,
1880 Created: time.Now(),
1881 }
1882 record := repo.AsRecord()
1883
1884 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1885 if err != nil {
1886 l.Error("failed to create xrpcclient", "err", err)
1887 rp.pages.Notice(w, "repo", "Failed to fork repository.")
1888 return
1889 }
1890
1891 atresp, err := xrpcClient.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1892 Collection: tangled.RepoNSID,
1893 Repo: user.Did,
1894 Rkey: rkey,
1895 Record: &lexutil.LexiconTypeDecoder{
1896 Val: &record,
1897 },
1898 })
1899 if err != nil {
1900 l.Error("failed to write to PDS", "err", err)
1901 rp.pages.Notice(w, "repo", "Failed to announce repository creation.")
1902 return
1903 }
1904
1905 aturi := atresp.Uri
1906 l = l.With("aturi", aturi)
1907 l.Info("wrote to PDS")
1908
1909 tx, err := rp.db.BeginTx(r.Context(), nil)
1910 if err != nil {
1911 l.Info("txn failed", "err", err)
1912 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1913 return
1914 }
1915
1916 // The rollback function reverts a few things on failure:
1917 // - the pending txn
1918 // - the ACLs
1919 // - the atproto record created
1920 rollback := func() {
1921 err1 := tx.Rollback()
1922 err2 := rp.enforcer.E.LoadPolicy()
1923 err3 := rollbackRecord(context.Background(), aturi, xrpcClient)
1924
1925 // ignore txn complete errors, this is okay
1926 if errors.Is(err1, sql.ErrTxDone) {
1927 err1 = nil
1928 }
1929
1930 if errs := errors.Join(err1, err2, err3); errs != nil {
1931 l.Error("failed to rollback changes", "errs", errs)
1932 return
1933 }
1934 }
1935 defer rollback()
1936
1937 client, err := rp.oauth.ServiceClient(
1938 r,
1939 oauth.WithService(targetKnot),
1940 oauth.WithLxm(tangled.RepoCreateNSID),
1941 oauth.WithDev(rp.config.Core.Dev),
1942 )
1943 if err != nil {
1944 l.Error("could not create service client", "err", err)
1945 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1946 return
1947 }
1948
1949 err = tangled.RepoCreate(
1950 r.Context(),
1951 client,
1952 &tangled.RepoCreate_Input{
1953 Rkey: rkey,
1954 Source: &forkSourceUrl,
1955 },
1956 )
1957 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1958 rp.pages.Notice(w, "repo", err.Error())
1959 return
1960 }
1961
1962 err = db.AddRepo(tx, repo)
1963 if err != nil {
1964 log.Println(err)
1965 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1966 return
1967 }
1968
1969 // acls
1970 p, _ := securejoin.SecureJoin(user.Did, forkName)
1971 err = rp.enforcer.AddRepo(user.Did, targetKnot, p)
1972 if err != nil {
1973 log.Println(err)
1974 rp.pages.Notice(w, "repo", "Failed to set up repository permissions.")
1975 return
1976 }
1977
1978 err = tx.Commit()
1979 if err != nil {
1980 log.Println("failed to commit changes", err)
1981 http.Error(w, err.Error(), http.StatusInternalServerError)
1982 return
1983 }
1984
1985 err = rp.enforcer.E.SavePolicy()
1986 if err != nil {
1987 log.Println("failed to update ACLs", err)
1988 http.Error(w, err.Error(), http.StatusInternalServerError)
1989 return
1990 }
1991
1992 // reset the ATURI because the transaction completed successfully
1993 aturi = ""
1994
1995 rp.notifier.NewRepo(r.Context(), repo)
1996 rp.pages.HxLocation(w, fmt.Sprintf("/@%s/%s", user.Handle, forkName))
1997 }
1998}
1999
2000// this is used to rollback changes made to the PDS
2001//
2002// it is a no-op if the provided ATURI is empty
2003func rollbackRecord(ctx context.Context, aturi string, xrpcc *xrpcclient.Client) error {
2004 if aturi == "" {
2005 return nil
2006 }
2007
2008 parsed := syntax.ATURI(aturi)
2009
2010 collection := parsed.Collection().String()
2011 repo := parsed.Authority().String()
2012 rkey := parsed.RecordKey().String()
2013
2014 _, err := xrpcc.RepoDeleteRecord(ctx, &comatproto.RepoDeleteRecord_Input{
2015 Collection: collection,
2016 Repo: repo,
2017 Rkey: rkey,
2018 })
2019 return err
2020}
2021
2022func (rp *Repo) RepoCompareNew(w http.ResponseWriter, r *http.Request) {
2023 user := rp.oauth.GetUser(r)
2024 f, err := rp.repoResolver.Resolve(r)
2025 if err != nil {
2026 log.Println("failed to get repo and knot", err)
2027 return
2028 }
2029
2030 scheme := "http"
2031 if !rp.config.Core.Dev {
2032 scheme = "https"
2033 }
2034 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2035 xrpcc := &indigoxrpc.Client{
2036 Host: host,
2037 }
2038
2039 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2040 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2041 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2042 log.Println("failed to call XRPC repo.branches", xrpcerr)
2043 rp.pages.Error503(w)
2044 return
2045 }
2046
2047 var branchResult types.RepoBranchesResponse
2048 if err := json.Unmarshal(branchBytes, &branchResult); err != nil {
2049 log.Println("failed to decode XRPC branches response", err)
2050 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2051 return
2052 }
2053 branches := branchResult.Branches
2054
2055 sortBranches(branches)
2056
2057 var defaultBranch string
2058 for _, b := range branches {
2059 if b.IsDefault {
2060 defaultBranch = b.Name
2061 }
2062 }
2063
2064 base := defaultBranch
2065 head := defaultBranch
2066
2067 params := r.URL.Query()
2068 queryBase := params.Get("base")
2069 queryHead := params.Get("head")
2070 if queryBase != "" {
2071 base = queryBase
2072 }
2073 if queryHead != "" {
2074 head = queryHead
2075 }
2076
2077 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2078 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2079 log.Println("failed to call XRPC repo.tags", xrpcerr)
2080 rp.pages.Error503(w)
2081 return
2082 }
2083
2084 var tags types.RepoTagsResponse
2085 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2086 log.Println("failed to decode XRPC tags response", err)
2087 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2088 return
2089 }
2090
2091 repoinfo := f.RepoInfo(user)
2092
2093 rp.pages.RepoCompareNew(w, pages.RepoCompareNewParams{
2094 LoggedInUser: user,
2095 RepoInfo: repoinfo,
2096 Branches: branches,
2097 Tags: tags.Tags,
2098 Base: base,
2099 Head: head,
2100 })
2101}
2102
2103func (rp *Repo) RepoCompare(w http.ResponseWriter, r *http.Request) {
2104 user := rp.oauth.GetUser(r)
2105 f, err := rp.repoResolver.Resolve(r)
2106 if err != nil {
2107 log.Println("failed to get repo and knot", err)
2108 return
2109 }
2110
2111 var diffOpts types.DiffOpts
2112 if d := r.URL.Query().Get("diff"); d == "split" {
2113 diffOpts.Split = true
2114 }
2115
2116 // if user is navigating to one of
2117 // /compare/{base}/{head}
2118 // /compare/{base}...{head}
2119 base := chi.URLParam(r, "base")
2120 head := chi.URLParam(r, "head")
2121 if base == "" && head == "" {
2122 rest := chi.URLParam(r, "*") // master...feature/xyz
2123 parts := strings.SplitN(rest, "...", 2)
2124 if len(parts) == 2 {
2125 base = parts[0]
2126 head = parts[1]
2127 }
2128 }
2129
2130 base, _ = url.PathUnescape(base)
2131 head, _ = url.PathUnescape(head)
2132
2133 if base == "" || head == "" {
2134 log.Printf("invalid comparison")
2135 rp.pages.Error404(w)
2136 return
2137 }
2138
2139 scheme := "http"
2140 if !rp.config.Core.Dev {
2141 scheme = "https"
2142 }
2143 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2144 xrpcc := &indigoxrpc.Client{
2145 Host: host,
2146 }
2147
2148 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2149
2150 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2151 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2152 log.Println("failed to call XRPC repo.branches", xrpcerr)
2153 rp.pages.Error503(w)
2154 return
2155 }
2156
2157 var branches types.RepoBranchesResponse
2158 if err := json.Unmarshal(branchBytes, &branches); err != nil {
2159 log.Println("failed to decode XRPC branches response", err)
2160 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2161 return
2162 }
2163
2164 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2165 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2166 log.Println("failed to call XRPC repo.tags", xrpcerr)
2167 rp.pages.Error503(w)
2168 return
2169 }
2170
2171 var tags types.RepoTagsResponse
2172 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2173 log.Println("failed to decode XRPC tags response", err)
2174 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2175 return
2176 }
2177
2178 compareBytes, err := tangled.RepoCompare(r.Context(), xrpcc, repo, base, head)
2179 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2180 log.Println("failed to call XRPC repo.compare", xrpcerr)
2181 rp.pages.Error503(w)
2182 return
2183 }
2184
2185 var formatPatch types.RepoFormatPatchResponse
2186 if err := json.Unmarshal(compareBytes, &formatPatch); err != nil {
2187 log.Println("failed to decode XRPC compare response", err)
2188 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2189 return
2190 }
2191
2192 diff := patchutil.AsNiceDiff(formatPatch.Patch, base)
2193
2194 repoinfo := f.RepoInfo(user)
2195
2196 rp.pages.RepoCompare(w, pages.RepoCompareParams{
2197 LoggedInUser: user,
2198 RepoInfo: repoinfo,
2199 Branches: branches.Branches,
2200 Tags: tags.Tags,
2201 Base: base,
2202 Head: head,
2203 Diff: &diff,
2204 DiffOpts: diffOpts,
2205 })
2206
2207}