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 valueFormat := r.FormValue("valueFormat")
991 enumValues := r.FormValue("enumValues")
992 scope := r.FormValue("scope")
993 color := r.FormValue("color")
994 multiple := r.FormValue("multiple") == "true"
995
996 var variants []string
997 for part := range strings.SplitSeq(enumValues, ",") {
998 if part = strings.TrimSpace(part); part != "" {
999 variants = append(variants, part)
1000 }
1001 }
1002
1003 format := db.ValueTypeFormatAny
1004 if valueFormat == "did" {
1005 format = db.ValueTypeFormatDid
1006 }
1007
1008 valueType := db.ValueType{
1009 Type: db.ConcreteType(concreteType),
1010 Format: format,
1011 Enum: variants,
1012 }
1013
1014 label := db.LabelDefinition{
1015 Did: user.Did,
1016 Rkey: tid.TID(),
1017 Name: name,
1018 ValueType: valueType,
1019 Scope: syntax.NSID(scope),
1020 Color: &color,
1021 Multiple: multiple,
1022 Created: time.Now(),
1023 }
1024 if err := rp.validator.ValidateLabelDefinition(&label); err != nil {
1025 fail(err.Error(), err)
1026 return
1027 }
1028
1029 // announce this relation into the firehose, store into owners' pds
1030 client, err := rp.oauth.AuthorizedClient(r)
1031 if err != nil {
1032 fail(err.Error(), err)
1033 return
1034 }
1035
1036 // emit a labelRecord
1037 labelRecord := label.AsRecord()
1038 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1039 Collection: tangled.LabelDefinitionNSID,
1040 Repo: label.Did,
1041 Rkey: label.Rkey,
1042 Record: &lexutil.LexiconTypeDecoder{
1043 Val: &labelRecord,
1044 },
1045 })
1046 // invalid record
1047 if err != nil {
1048 fail("Failed to write record to PDS.", err)
1049 return
1050 }
1051
1052 aturi := resp.Uri
1053 l = l.With("at-uri", aturi)
1054 l.Info("wrote label record to PDS")
1055
1056 // update the repo to subscribe to this label
1057 newRepo := f.Repo
1058 newRepo.Labels = append(newRepo.Labels, aturi)
1059 repoRecord := newRepo.AsRecord()
1060
1061 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1062 if err != nil {
1063 fail("Failed to update labels, no record found on PDS.", err)
1064 return
1065 }
1066 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1067 Collection: tangled.RepoNSID,
1068 Repo: newRepo.Did,
1069 Rkey: newRepo.Rkey,
1070 SwapRecord: ex.Cid,
1071 Record: &lexutil.LexiconTypeDecoder{
1072 Val: &repoRecord,
1073 },
1074 })
1075
1076 tx, err := rp.db.BeginTx(r.Context(), nil)
1077 if err != nil {
1078 fail("Failed to add label.", err)
1079 return
1080 }
1081
1082 rollback := func() {
1083 err1 := tx.Rollback()
1084 err2 := rollbackRecord(context.Background(), aturi, client)
1085
1086 // ignore txn complete errors, this is okay
1087 if errors.Is(err1, sql.ErrTxDone) {
1088 err1 = nil
1089 }
1090
1091 if errs := errors.Join(err1, err2); errs != nil {
1092 l.Error("failed to rollback changes", "errs", errs)
1093 return
1094 }
1095 }
1096 defer rollback()
1097
1098 _, err = db.AddLabelDefinition(tx, &label)
1099 if err != nil {
1100 fail("Failed to add label.", err)
1101 return
1102 }
1103
1104 err = db.SubscribeLabel(tx, &db.RepoLabel{
1105 RepoAt: f.RepoAt(),
1106 LabelAt: label.AtUri(),
1107 })
1108
1109 err = tx.Commit()
1110 if err != nil {
1111 fail("Failed to add label.", err)
1112 return
1113 }
1114
1115 // clear aturi when everything is successful
1116 aturi = ""
1117
1118 rp.pages.HxRefresh(w)
1119}
1120
1121func (rp *Repo) DeleteLabel(w http.ResponseWriter, r *http.Request) {
1122 user := rp.oauth.GetUser(r)
1123 l := rp.logger.With("handler", "DeleteLabel")
1124 l = l.With("did", user.Did)
1125 l = l.With("handle", user.Handle)
1126
1127 f, err := rp.repoResolver.Resolve(r)
1128 if err != nil {
1129 l.Error("failed to get repo and knot", "err", err)
1130 return
1131 }
1132
1133 errorId := "label-operation"
1134 fail := func(msg string, err error) {
1135 l.Error(msg, "err", err)
1136 rp.pages.Notice(w, errorId, msg)
1137 }
1138
1139 // get form values
1140 labelId := r.FormValue("label-id")
1141
1142 label, err := db.GetLabelDefinition(rp.db, db.FilterEq("id", labelId))
1143 if err != nil {
1144 fail("Failed to find label definition.", err)
1145 return
1146 }
1147
1148 client, err := rp.oauth.AuthorizedClient(r)
1149 if err != nil {
1150 fail(err.Error(), err)
1151 return
1152 }
1153
1154 // delete label record from PDS
1155 _, err = client.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1156 Collection: tangled.LabelDefinitionNSID,
1157 Repo: label.Did,
1158 Rkey: label.Rkey,
1159 })
1160 if err != nil {
1161 fail("Failed to delete label record from PDS.", err)
1162 return
1163 }
1164
1165 // update repo record to remove the label reference
1166 newRepo := f.Repo
1167 var updated []string
1168 removedAt := label.AtUri().String()
1169 for _, l := range newRepo.Labels {
1170 if l != removedAt {
1171 updated = append(updated, l)
1172 }
1173 }
1174 newRepo.Labels = updated
1175 repoRecord := newRepo.AsRecord()
1176
1177 ex, err := client.RepoGetRecord(r.Context(), "", tangled.RepoNSID, newRepo.Did, newRepo.Rkey)
1178 if err != nil {
1179 fail("Failed to update labels, no record found on PDS.", err)
1180 return
1181 }
1182 _, err = client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1183 Collection: tangled.RepoNSID,
1184 Repo: newRepo.Did,
1185 Rkey: newRepo.Rkey,
1186 SwapRecord: ex.Cid,
1187 Record: &lexutil.LexiconTypeDecoder{
1188 Val: &repoRecord,
1189 },
1190 })
1191 if err != nil {
1192 fail("Failed to update repo record.", err)
1193 return
1194 }
1195
1196 // transaction for DB changes
1197 tx, err := rp.db.BeginTx(r.Context(), nil)
1198 if err != nil {
1199 fail("Failed to delete label.", err)
1200 return
1201 }
1202 defer tx.Rollback()
1203
1204 err = db.UnsubscribeLabel(
1205 tx,
1206 db.FilterEq("repo_at", f.RepoAt()),
1207 db.FilterEq("label_at", removedAt),
1208 )
1209 if err != nil {
1210 fail("Failed to unsubscribe label.", err)
1211 return
1212 }
1213
1214 err = db.DeleteLabelDefinition(tx, db.FilterEq("id", label.Id))
1215 if err != nil {
1216 fail("Failed to delete label definition.", err)
1217 return
1218 }
1219
1220 err = tx.Commit()
1221 if err != nil {
1222 fail("Failed to delete label.", err)
1223 return
1224 }
1225
1226 // everything succeeded
1227 rp.pages.HxRefresh(w)
1228}
1229
1230func (rp *Repo) AddCollaborator(w http.ResponseWriter, r *http.Request) {
1231 user := rp.oauth.GetUser(r)
1232 l := rp.logger.With("handler", "AddCollaborator")
1233 l = l.With("did", user.Did)
1234 l = l.With("handle", user.Handle)
1235
1236 f, err := rp.repoResolver.Resolve(r)
1237 if err != nil {
1238 l.Error("failed to get repo and knot", "err", err)
1239 return
1240 }
1241
1242 errorId := "add-collaborator-error"
1243 fail := func(msg string, err error) {
1244 l.Error(msg, "err", err)
1245 rp.pages.Notice(w, errorId, msg)
1246 }
1247
1248 collaborator := r.FormValue("collaborator")
1249 if collaborator == "" {
1250 fail("Invalid form.", nil)
1251 return
1252 }
1253
1254 // remove a single leading `@`, to make @handle work with ResolveIdent
1255 collaborator = strings.TrimPrefix(collaborator, "@")
1256
1257 collaboratorIdent, err := rp.idResolver.ResolveIdent(r.Context(), collaborator)
1258 if err != nil {
1259 fail(fmt.Sprintf("'%s' is not a valid DID/handle.", collaborator), err)
1260 return
1261 }
1262
1263 if collaboratorIdent.DID.String() == user.Did {
1264 fail("You seem to be adding yourself as a collaborator.", nil)
1265 return
1266 }
1267 l = l.With("collaborator", collaboratorIdent.Handle)
1268 l = l.With("knot", f.Knot)
1269
1270 // announce this relation into the firehose, store into owners' pds
1271 client, err := rp.oauth.AuthorizedClient(r)
1272 if err != nil {
1273 fail("Failed to write to PDS.", err)
1274 return
1275 }
1276
1277 // emit a record
1278 currentUser := rp.oauth.GetUser(r)
1279 rkey := tid.TID()
1280 createdAt := time.Now()
1281 resp, err := client.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1282 Collection: tangled.RepoCollaboratorNSID,
1283 Repo: currentUser.Did,
1284 Rkey: rkey,
1285 Record: &lexutil.LexiconTypeDecoder{
1286 Val: &tangled.RepoCollaborator{
1287 Subject: collaboratorIdent.DID.String(),
1288 Repo: string(f.RepoAt()),
1289 CreatedAt: createdAt.Format(time.RFC3339),
1290 }},
1291 })
1292 // invalid record
1293 if err != nil {
1294 fail("Failed to write record to PDS.", err)
1295 return
1296 }
1297
1298 aturi := resp.Uri
1299 l = l.With("at-uri", aturi)
1300 l.Info("wrote record to PDS")
1301
1302 tx, err := rp.db.BeginTx(r.Context(), nil)
1303 if err != nil {
1304 fail("Failed to add collaborator.", err)
1305 return
1306 }
1307
1308 rollback := func() {
1309 err1 := tx.Rollback()
1310 err2 := rp.enforcer.E.LoadPolicy()
1311 err3 := rollbackRecord(context.Background(), aturi, client)
1312
1313 // ignore txn complete errors, this is okay
1314 if errors.Is(err1, sql.ErrTxDone) {
1315 err1 = nil
1316 }
1317
1318 if errs := errors.Join(err1, err2, err3); errs != nil {
1319 l.Error("failed to rollback changes", "errs", errs)
1320 return
1321 }
1322 }
1323 defer rollback()
1324
1325 err = rp.enforcer.AddCollaborator(collaboratorIdent.DID.String(), f.Knot, f.DidSlashRepo())
1326 if err != nil {
1327 fail("Failed to add collaborator permissions.", err)
1328 return
1329 }
1330
1331 err = db.AddCollaborator(tx, db.Collaborator{
1332 Did: syntax.DID(currentUser.Did),
1333 Rkey: rkey,
1334 SubjectDid: collaboratorIdent.DID,
1335 RepoAt: f.RepoAt(),
1336 Created: createdAt,
1337 })
1338 if err != nil {
1339 fail("Failed to add collaborator.", err)
1340 return
1341 }
1342
1343 err = tx.Commit()
1344 if err != nil {
1345 fail("Failed to add collaborator.", err)
1346 return
1347 }
1348
1349 err = rp.enforcer.E.SavePolicy()
1350 if err != nil {
1351 fail("Failed to update collaborator permissions.", err)
1352 return
1353 }
1354
1355 // clear aturi to when everything is successful
1356 aturi = ""
1357
1358 rp.pages.HxRefresh(w)
1359}
1360
1361func (rp *Repo) DeleteRepo(w http.ResponseWriter, r *http.Request) {
1362 user := rp.oauth.GetUser(r)
1363
1364 noticeId := "operation-error"
1365 f, err := rp.repoResolver.Resolve(r)
1366 if err != nil {
1367 log.Println("failed to get repo and knot", err)
1368 return
1369 }
1370
1371 // remove record from pds
1372 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1373 if err != nil {
1374 log.Println("failed to get authorized client", err)
1375 return
1376 }
1377 _, err = xrpcClient.RepoDeleteRecord(r.Context(), &comatproto.RepoDeleteRecord_Input{
1378 Collection: tangled.RepoNSID,
1379 Repo: user.Did,
1380 Rkey: f.Rkey,
1381 })
1382 if err != nil {
1383 log.Printf("failed to delete record: %s", err)
1384 rp.pages.Notice(w, noticeId, "Failed to delete repository from PDS.")
1385 return
1386 }
1387 log.Println("removed repo record ", f.RepoAt().String())
1388
1389 client, err := rp.oauth.ServiceClient(
1390 r,
1391 oauth.WithService(f.Knot),
1392 oauth.WithLxm(tangled.RepoDeleteNSID),
1393 oauth.WithDev(rp.config.Core.Dev),
1394 )
1395 if err != nil {
1396 log.Println("failed to connect to knot server:", err)
1397 return
1398 }
1399
1400 err = tangled.RepoDelete(
1401 r.Context(),
1402 client,
1403 &tangled.RepoDelete_Input{
1404 Did: f.OwnerDid(),
1405 Name: f.Name,
1406 Rkey: f.Rkey,
1407 },
1408 )
1409 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1410 rp.pages.Notice(w, noticeId, err.Error())
1411 return
1412 }
1413 log.Println("deleted repo from knot")
1414
1415 tx, err := rp.db.BeginTx(r.Context(), nil)
1416 if err != nil {
1417 log.Println("failed to start tx")
1418 w.Write(fmt.Append(nil, "failed to add collaborator: ", err))
1419 return
1420 }
1421 defer func() {
1422 tx.Rollback()
1423 err = rp.enforcer.E.LoadPolicy()
1424 if err != nil {
1425 log.Println("failed to rollback policies")
1426 }
1427 }()
1428
1429 // remove collaborator RBAC
1430 repoCollaborators, err := rp.enforcer.E.GetImplicitUsersForResourceByDomain(f.DidSlashRepo(), f.Knot)
1431 if err != nil {
1432 rp.pages.Notice(w, noticeId, "Failed to remove collaborators")
1433 return
1434 }
1435 for _, c := range repoCollaborators {
1436 did := c[0]
1437 rp.enforcer.RemoveCollaborator(did, f.Knot, f.DidSlashRepo())
1438 }
1439 log.Println("removed collaborators")
1440
1441 // remove repo RBAC
1442 err = rp.enforcer.RemoveRepo(f.OwnerDid(), f.Knot, f.DidSlashRepo())
1443 if err != nil {
1444 rp.pages.Notice(w, noticeId, "Failed to update RBAC rules")
1445 return
1446 }
1447
1448 // remove repo from db
1449 err = db.RemoveRepo(tx, f.OwnerDid(), f.Name)
1450 if err != nil {
1451 rp.pages.Notice(w, noticeId, "Failed to update appview")
1452 return
1453 }
1454 log.Println("removed repo from db")
1455
1456 err = tx.Commit()
1457 if err != nil {
1458 log.Println("failed to commit changes", err)
1459 http.Error(w, err.Error(), http.StatusInternalServerError)
1460 return
1461 }
1462
1463 err = rp.enforcer.E.SavePolicy()
1464 if err != nil {
1465 log.Println("failed to update ACLs", err)
1466 http.Error(w, err.Error(), http.StatusInternalServerError)
1467 return
1468 }
1469
1470 rp.pages.HxRedirect(w, fmt.Sprintf("/%s", f.OwnerDid()))
1471}
1472
1473func (rp *Repo) SetDefaultBranch(w http.ResponseWriter, r *http.Request) {
1474 f, err := rp.repoResolver.Resolve(r)
1475 if err != nil {
1476 log.Println("failed to get repo and knot", err)
1477 return
1478 }
1479
1480 noticeId := "operation-error"
1481 branch := r.FormValue("branch")
1482 if branch == "" {
1483 http.Error(w, "malformed form", http.StatusBadRequest)
1484 return
1485 }
1486
1487 client, err := rp.oauth.ServiceClient(
1488 r,
1489 oauth.WithService(f.Knot),
1490 oauth.WithLxm(tangled.RepoSetDefaultBranchNSID),
1491 oauth.WithDev(rp.config.Core.Dev),
1492 )
1493 if err != nil {
1494 log.Println("failed to connect to knot server:", err)
1495 rp.pages.Notice(w, noticeId, "Failed to connect to knot server.")
1496 return
1497 }
1498
1499 xe := tangled.RepoSetDefaultBranch(
1500 r.Context(),
1501 client,
1502 &tangled.RepoSetDefaultBranch_Input{
1503 Repo: f.RepoAt().String(),
1504 DefaultBranch: branch,
1505 },
1506 )
1507 if err := xrpcclient.HandleXrpcErr(xe); err != nil {
1508 log.Println("xrpc failed", "err", xe)
1509 rp.pages.Notice(w, noticeId, err.Error())
1510 return
1511 }
1512
1513 rp.pages.HxRefresh(w)
1514}
1515
1516func (rp *Repo) Secrets(w http.ResponseWriter, r *http.Request) {
1517 user := rp.oauth.GetUser(r)
1518 l := rp.logger.With("handler", "Secrets")
1519 l = l.With("handle", user.Handle)
1520 l = l.With("did", user.Did)
1521
1522 f, err := rp.repoResolver.Resolve(r)
1523 if err != nil {
1524 log.Println("failed to get repo and knot", err)
1525 return
1526 }
1527
1528 if f.Spindle == "" {
1529 log.Println("empty spindle cannot add/rm secret", err)
1530 return
1531 }
1532
1533 lxm := tangled.RepoAddSecretNSID
1534 if r.Method == http.MethodDelete {
1535 lxm = tangled.RepoRemoveSecretNSID
1536 }
1537
1538 spindleClient, err := rp.oauth.ServiceClient(
1539 r,
1540 oauth.WithService(f.Spindle),
1541 oauth.WithLxm(lxm),
1542 oauth.WithExp(60),
1543 oauth.WithDev(rp.config.Core.Dev),
1544 )
1545 if err != nil {
1546 log.Println("failed to create spindle client", err)
1547 return
1548 }
1549
1550 key := r.FormValue("key")
1551 if key == "" {
1552 w.WriteHeader(http.StatusBadRequest)
1553 return
1554 }
1555
1556 switch r.Method {
1557 case http.MethodPut:
1558 errorId := "add-secret-error"
1559
1560 value := r.FormValue("value")
1561 if value == "" {
1562 w.WriteHeader(http.StatusBadRequest)
1563 return
1564 }
1565
1566 err = tangled.RepoAddSecret(
1567 r.Context(),
1568 spindleClient,
1569 &tangled.RepoAddSecret_Input{
1570 Repo: f.RepoAt().String(),
1571 Key: key,
1572 Value: value,
1573 },
1574 )
1575 if err != nil {
1576 l.Error("Failed to add secret.", "err", err)
1577 rp.pages.Notice(w, errorId, "Failed to add secret.")
1578 return
1579 }
1580
1581 case http.MethodDelete:
1582 errorId := "operation-error"
1583
1584 err = tangled.RepoRemoveSecret(
1585 r.Context(),
1586 spindleClient,
1587 &tangled.RepoRemoveSecret_Input{
1588 Repo: f.RepoAt().String(),
1589 Key: key,
1590 },
1591 )
1592 if err != nil {
1593 l.Error("Failed to delete secret.", "err", err)
1594 rp.pages.Notice(w, errorId, "Failed to delete secret.")
1595 return
1596 }
1597 }
1598
1599 rp.pages.HxRefresh(w)
1600}
1601
1602type tab = map[string]any
1603
1604var (
1605 // would be great to have ordered maps right about now
1606 settingsTabs []tab = []tab{
1607 {"Name": "general", "Icon": "sliders-horizontal"},
1608 {"Name": "access", "Icon": "users"},
1609 {"Name": "pipelines", "Icon": "layers-2"},
1610 }
1611)
1612
1613func (rp *Repo) RepoSettings(w http.ResponseWriter, r *http.Request) {
1614 tabVal := r.URL.Query().Get("tab")
1615 if tabVal == "" {
1616 tabVal = "general"
1617 }
1618
1619 switch tabVal {
1620 case "general":
1621 rp.generalSettings(w, r)
1622
1623 case "access":
1624 rp.accessSettings(w, r)
1625
1626 case "pipelines":
1627 rp.pipelineSettings(w, r)
1628 }
1629}
1630
1631func (rp *Repo) generalSettings(w http.ResponseWriter, r *http.Request) {
1632 f, err := rp.repoResolver.Resolve(r)
1633 user := rp.oauth.GetUser(r)
1634
1635 scheme := "http"
1636 if !rp.config.Core.Dev {
1637 scheme = "https"
1638 }
1639 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
1640 xrpcc := &indigoxrpc.Client{
1641 Host: host,
1642 }
1643
1644 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
1645 xrpcBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
1646 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
1647 log.Println("failed to call XRPC repo.branches", xrpcerr)
1648 rp.pages.Error503(w)
1649 return
1650 }
1651
1652 var result types.RepoBranchesResponse
1653 if err := json.Unmarshal(xrpcBytes, &result); err != nil {
1654 log.Println("failed to decode XRPC response", err)
1655 rp.pages.Error503(w)
1656 return
1657 }
1658
1659 labels, err := db.GetLabelDefinitions(rp.db, db.FilterIn("at_uri", f.Repo.Labels))
1660 if err != nil {
1661 log.Println("failed to fetch labels", err)
1662 rp.pages.Error503(w)
1663 return
1664 }
1665
1666 rp.pages.RepoGeneralSettings(w, pages.RepoGeneralSettingsParams{
1667 LoggedInUser: user,
1668 RepoInfo: f.RepoInfo(user),
1669 Branches: result.Branches,
1670 Labels: labels,
1671 Tabs: settingsTabs,
1672 Tab: "general",
1673 })
1674}
1675
1676func (rp *Repo) accessSettings(w http.ResponseWriter, r *http.Request) {
1677 f, err := rp.repoResolver.Resolve(r)
1678 user := rp.oauth.GetUser(r)
1679
1680 repoCollaborators, err := f.Collaborators(r.Context())
1681 if err != nil {
1682 log.Println("failed to get collaborators", err)
1683 }
1684
1685 rp.pages.RepoAccessSettings(w, pages.RepoAccessSettingsParams{
1686 LoggedInUser: user,
1687 RepoInfo: f.RepoInfo(user),
1688 Tabs: settingsTabs,
1689 Tab: "access",
1690 Collaborators: repoCollaborators,
1691 })
1692}
1693
1694func (rp *Repo) pipelineSettings(w http.ResponseWriter, r *http.Request) {
1695 f, err := rp.repoResolver.Resolve(r)
1696 user := rp.oauth.GetUser(r)
1697
1698 // all spindles that the repo owner is a member of
1699 spindles, err := rp.enforcer.GetSpindlesForUser(f.OwnerDid())
1700 if err != nil {
1701 log.Println("failed to fetch spindles", err)
1702 return
1703 }
1704
1705 var secrets []*tangled.RepoListSecrets_Secret
1706 if f.Spindle != "" {
1707 if spindleClient, err := rp.oauth.ServiceClient(
1708 r,
1709 oauth.WithService(f.Spindle),
1710 oauth.WithLxm(tangled.RepoListSecretsNSID),
1711 oauth.WithExp(60),
1712 oauth.WithDev(rp.config.Core.Dev),
1713 ); err != nil {
1714 log.Println("failed to create spindle client", err)
1715 } else if resp, err := tangled.RepoListSecrets(r.Context(), spindleClient, f.RepoAt().String()); err != nil {
1716 log.Println("failed to fetch secrets", err)
1717 } else {
1718 secrets = resp.Secrets
1719 }
1720 }
1721
1722 slices.SortFunc(secrets, func(a, b *tangled.RepoListSecrets_Secret) int {
1723 return strings.Compare(a.Key, b.Key)
1724 })
1725
1726 var dids []string
1727 for _, s := range secrets {
1728 dids = append(dids, s.CreatedBy)
1729 }
1730 resolvedIdents := rp.idResolver.ResolveIdents(r.Context(), dids)
1731
1732 // convert to a more manageable form
1733 var niceSecret []map[string]any
1734 for id, s := range secrets {
1735 when, _ := time.Parse(time.RFC3339, s.CreatedAt)
1736 niceSecret = append(niceSecret, map[string]any{
1737 "Id": id,
1738 "Key": s.Key,
1739 "CreatedAt": when,
1740 "CreatedBy": resolvedIdents[id].Handle.String(),
1741 })
1742 }
1743
1744 rp.pages.RepoPipelineSettings(w, pages.RepoPipelineSettingsParams{
1745 LoggedInUser: user,
1746 RepoInfo: f.RepoInfo(user),
1747 Tabs: settingsTabs,
1748 Tab: "pipelines",
1749 Spindles: spindles,
1750 CurrentSpindle: f.Spindle,
1751 Secrets: niceSecret,
1752 })
1753}
1754
1755func (rp *Repo) SyncRepoFork(w http.ResponseWriter, r *http.Request) {
1756 ref := chi.URLParam(r, "ref")
1757 ref, _ = url.PathUnescape(ref)
1758
1759 user := rp.oauth.GetUser(r)
1760 f, err := rp.repoResolver.Resolve(r)
1761 if err != nil {
1762 log.Printf("failed to resolve source repo: %v", err)
1763 return
1764 }
1765
1766 switch r.Method {
1767 case http.MethodPost:
1768 client, err := rp.oauth.ServiceClient(
1769 r,
1770 oauth.WithService(f.Knot),
1771 oauth.WithLxm(tangled.RepoForkSyncNSID),
1772 oauth.WithDev(rp.config.Core.Dev),
1773 )
1774 if err != nil {
1775 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1776 return
1777 }
1778
1779 repoInfo := f.RepoInfo(user)
1780 if repoInfo.Source == nil {
1781 rp.pages.Notice(w, "repo", "This repository is not a fork.")
1782 return
1783 }
1784
1785 err = tangled.RepoForkSync(
1786 r.Context(),
1787 client,
1788 &tangled.RepoForkSync_Input{
1789 Did: user.Did,
1790 Name: f.Name,
1791 Source: repoInfo.Source.RepoAt().String(),
1792 Branch: ref,
1793 },
1794 )
1795 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1796 rp.pages.Notice(w, "repo", err.Error())
1797 return
1798 }
1799
1800 rp.pages.HxRefresh(w)
1801 return
1802 }
1803}
1804
1805func (rp *Repo) ForkRepo(w http.ResponseWriter, r *http.Request) {
1806 user := rp.oauth.GetUser(r)
1807 f, err := rp.repoResolver.Resolve(r)
1808 if err != nil {
1809 log.Printf("failed to resolve source repo: %v", err)
1810 return
1811 }
1812
1813 switch r.Method {
1814 case http.MethodGet:
1815 user := rp.oauth.GetUser(r)
1816 knots, err := rp.enforcer.GetKnotsForUser(user.Did)
1817 if err != nil {
1818 rp.pages.Notice(w, "repo", "Invalid user account.")
1819 return
1820 }
1821
1822 rp.pages.ForkRepo(w, pages.ForkRepoParams{
1823 LoggedInUser: user,
1824 Knots: knots,
1825 RepoInfo: f.RepoInfo(user),
1826 })
1827
1828 case http.MethodPost:
1829 l := rp.logger.With("handler", "ForkRepo")
1830
1831 targetKnot := r.FormValue("knot")
1832 if targetKnot == "" {
1833 rp.pages.Notice(w, "repo", "Invalid form submission—missing knot domain.")
1834 return
1835 }
1836 l = l.With("targetKnot", targetKnot)
1837
1838 ok, err := rp.enforcer.E.Enforce(user.Did, targetKnot, targetKnot, "repo:create")
1839 if err != nil || !ok {
1840 rp.pages.Notice(w, "repo", "You do not have permission to create a repo in this knot.")
1841 return
1842 }
1843
1844 // choose a name for a fork
1845 forkName := f.Name
1846 // this check is *only* to see if the forked repo name already exists
1847 // in the user's account.
1848 existingRepo, err := db.GetRepo(
1849 rp.db,
1850 db.FilterEq("did", user.Did),
1851 db.FilterEq("name", f.Name),
1852 )
1853 if err != nil {
1854 if errors.Is(err, sql.ErrNoRows) {
1855 // no existing repo with this name found, we can use the name as is
1856 } else {
1857 log.Println("error fetching existing repo from db", "err", err)
1858 rp.pages.Notice(w, "repo", "Failed to fork this repository. Try again later.")
1859 return
1860 }
1861 } else if existingRepo != nil {
1862 // repo with this name already exists, append random string
1863 forkName = fmt.Sprintf("%s-%s", forkName, randomString(3))
1864 }
1865 l = l.With("forkName", forkName)
1866
1867 uri := "https"
1868 if rp.config.Core.Dev {
1869 uri = "http"
1870 }
1871
1872 forkSourceUrl := fmt.Sprintf("%s://%s/%s/%s", uri, f.Knot, f.OwnerDid(), f.Repo.Name)
1873 l = l.With("cloneUrl", forkSourceUrl)
1874
1875 sourceAt := f.RepoAt().String()
1876
1877 // create an atproto record for this fork
1878 rkey := tid.TID()
1879 repo := &db.Repo{
1880 Did: user.Did,
1881 Name: forkName,
1882 Knot: targetKnot,
1883 Rkey: rkey,
1884 Source: sourceAt,
1885 Description: existingRepo.Description,
1886 Created: time.Now(),
1887 }
1888 record := repo.AsRecord()
1889
1890 xrpcClient, err := rp.oauth.AuthorizedClient(r)
1891 if err != nil {
1892 l.Error("failed to create xrpcclient", "err", err)
1893 rp.pages.Notice(w, "repo", "Failed to fork repository.")
1894 return
1895 }
1896
1897 atresp, err := xrpcClient.RepoPutRecord(r.Context(), &comatproto.RepoPutRecord_Input{
1898 Collection: tangled.RepoNSID,
1899 Repo: user.Did,
1900 Rkey: rkey,
1901 Record: &lexutil.LexiconTypeDecoder{
1902 Val: &record,
1903 },
1904 })
1905 if err != nil {
1906 l.Error("failed to write to PDS", "err", err)
1907 rp.pages.Notice(w, "repo", "Failed to announce repository creation.")
1908 return
1909 }
1910
1911 aturi := atresp.Uri
1912 l = l.With("aturi", aturi)
1913 l.Info("wrote to PDS")
1914
1915 tx, err := rp.db.BeginTx(r.Context(), nil)
1916 if err != nil {
1917 l.Info("txn failed", "err", err)
1918 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1919 return
1920 }
1921
1922 // The rollback function reverts a few things on failure:
1923 // - the pending txn
1924 // - the ACLs
1925 // - the atproto record created
1926 rollback := func() {
1927 err1 := tx.Rollback()
1928 err2 := rp.enforcer.E.LoadPolicy()
1929 err3 := rollbackRecord(context.Background(), aturi, xrpcClient)
1930
1931 // ignore txn complete errors, this is okay
1932 if errors.Is(err1, sql.ErrTxDone) {
1933 err1 = nil
1934 }
1935
1936 if errs := errors.Join(err1, err2, err3); errs != nil {
1937 l.Error("failed to rollback changes", "errs", errs)
1938 return
1939 }
1940 }
1941 defer rollback()
1942
1943 client, err := rp.oauth.ServiceClient(
1944 r,
1945 oauth.WithService(targetKnot),
1946 oauth.WithLxm(tangled.RepoCreateNSID),
1947 oauth.WithDev(rp.config.Core.Dev),
1948 )
1949 if err != nil {
1950 l.Error("could not create service client", "err", err)
1951 rp.pages.Notice(w, "repo", "Failed to connect to knot server.")
1952 return
1953 }
1954
1955 err = tangled.RepoCreate(
1956 r.Context(),
1957 client,
1958 &tangled.RepoCreate_Input{
1959 Rkey: rkey,
1960 Source: &forkSourceUrl,
1961 },
1962 )
1963 if err := xrpcclient.HandleXrpcErr(err); err != nil {
1964 rp.pages.Notice(w, "repo", err.Error())
1965 return
1966 }
1967
1968 err = db.AddRepo(tx, repo)
1969 if err != nil {
1970 log.Println(err)
1971 rp.pages.Notice(w, "repo", "Failed to save repository information.")
1972 return
1973 }
1974
1975 // acls
1976 p, _ := securejoin.SecureJoin(user.Did, forkName)
1977 err = rp.enforcer.AddRepo(user.Did, targetKnot, p)
1978 if err != nil {
1979 log.Println(err)
1980 rp.pages.Notice(w, "repo", "Failed to set up repository permissions.")
1981 return
1982 }
1983
1984 err = tx.Commit()
1985 if err != nil {
1986 log.Println("failed to commit changes", err)
1987 http.Error(w, err.Error(), http.StatusInternalServerError)
1988 return
1989 }
1990
1991 err = rp.enforcer.E.SavePolicy()
1992 if err != nil {
1993 log.Println("failed to update ACLs", err)
1994 http.Error(w, err.Error(), http.StatusInternalServerError)
1995 return
1996 }
1997
1998 // reset the ATURI because the transaction completed successfully
1999 aturi = ""
2000
2001 rp.notifier.NewRepo(r.Context(), repo)
2002 rp.pages.HxLocation(w, fmt.Sprintf("/@%s/%s", user.Handle, forkName))
2003 }
2004}
2005
2006// this is used to rollback changes made to the PDS
2007//
2008// it is a no-op if the provided ATURI is empty
2009func rollbackRecord(ctx context.Context, aturi string, xrpcc *xrpcclient.Client) error {
2010 if aturi == "" {
2011 return nil
2012 }
2013
2014 parsed := syntax.ATURI(aturi)
2015
2016 collection := parsed.Collection().String()
2017 repo := parsed.Authority().String()
2018 rkey := parsed.RecordKey().String()
2019
2020 _, err := xrpcc.RepoDeleteRecord(ctx, &comatproto.RepoDeleteRecord_Input{
2021 Collection: collection,
2022 Repo: repo,
2023 Rkey: rkey,
2024 })
2025 return err
2026}
2027
2028func (rp *Repo) RepoCompareNew(w http.ResponseWriter, r *http.Request) {
2029 user := rp.oauth.GetUser(r)
2030 f, err := rp.repoResolver.Resolve(r)
2031 if err != nil {
2032 log.Println("failed to get repo and knot", err)
2033 return
2034 }
2035
2036 scheme := "http"
2037 if !rp.config.Core.Dev {
2038 scheme = "https"
2039 }
2040 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2041 xrpcc := &indigoxrpc.Client{
2042 Host: host,
2043 }
2044
2045 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2046 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2047 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2048 log.Println("failed to call XRPC repo.branches", xrpcerr)
2049 rp.pages.Error503(w)
2050 return
2051 }
2052
2053 var branchResult types.RepoBranchesResponse
2054 if err := json.Unmarshal(branchBytes, &branchResult); err != nil {
2055 log.Println("failed to decode XRPC branches response", err)
2056 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2057 return
2058 }
2059 branches := branchResult.Branches
2060
2061 sortBranches(branches)
2062
2063 var defaultBranch string
2064 for _, b := range branches {
2065 if b.IsDefault {
2066 defaultBranch = b.Name
2067 }
2068 }
2069
2070 base := defaultBranch
2071 head := defaultBranch
2072
2073 params := r.URL.Query()
2074 queryBase := params.Get("base")
2075 queryHead := params.Get("head")
2076 if queryBase != "" {
2077 base = queryBase
2078 }
2079 if queryHead != "" {
2080 head = queryHead
2081 }
2082
2083 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2084 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2085 log.Println("failed to call XRPC repo.tags", xrpcerr)
2086 rp.pages.Error503(w)
2087 return
2088 }
2089
2090 var tags types.RepoTagsResponse
2091 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2092 log.Println("failed to decode XRPC tags response", err)
2093 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2094 return
2095 }
2096
2097 repoinfo := f.RepoInfo(user)
2098
2099 rp.pages.RepoCompareNew(w, pages.RepoCompareNewParams{
2100 LoggedInUser: user,
2101 RepoInfo: repoinfo,
2102 Branches: branches,
2103 Tags: tags.Tags,
2104 Base: base,
2105 Head: head,
2106 })
2107}
2108
2109func (rp *Repo) RepoCompare(w http.ResponseWriter, r *http.Request) {
2110 user := rp.oauth.GetUser(r)
2111 f, err := rp.repoResolver.Resolve(r)
2112 if err != nil {
2113 log.Println("failed to get repo and knot", err)
2114 return
2115 }
2116
2117 var diffOpts types.DiffOpts
2118 if d := r.URL.Query().Get("diff"); d == "split" {
2119 diffOpts.Split = true
2120 }
2121
2122 // if user is navigating to one of
2123 // /compare/{base}/{head}
2124 // /compare/{base}...{head}
2125 base := chi.URLParam(r, "base")
2126 head := chi.URLParam(r, "head")
2127 if base == "" && head == "" {
2128 rest := chi.URLParam(r, "*") // master...feature/xyz
2129 parts := strings.SplitN(rest, "...", 2)
2130 if len(parts) == 2 {
2131 base = parts[0]
2132 head = parts[1]
2133 }
2134 }
2135
2136 base, _ = url.PathUnescape(base)
2137 head, _ = url.PathUnescape(head)
2138
2139 if base == "" || head == "" {
2140 log.Printf("invalid comparison")
2141 rp.pages.Error404(w)
2142 return
2143 }
2144
2145 scheme := "http"
2146 if !rp.config.Core.Dev {
2147 scheme = "https"
2148 }
2149 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
2150 xrpcc := &indigoxrpc.Client{
2151 Host: host,
2152 }
2153
2154 repo := fmt.Sprintf("%s/%s", f.OwnerDid(), f.Name)
2155
2156 branchBytes, err := tangled.RepoBranches(r.Context(), xrpcc, "", 0, repo)
2157 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2158 log.Println("failed to call XRPC repo.branches", xrpcerr)
2159 rp.pages.Error503(w)
2160 return
2161 }
2162
2163 var branches types.RepoBranchesResponse
2164 if err := json.Unmarshal(branchBytes, &branches); err != nil {
2165 log.Println("failed to decode XRPC branches response", err)
2166 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2167 return
2168 }
2169
2170 tagBytes, err := tangled.RepoTags(r.Context(), xrpcc, "", 0, repo)
2171 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2172 log.Println("failed to call XRPC repo.tags", xrpcerr)
2173 rp.pages.Error503(w)
2174 return
2175 }
2176
2177 var tags types.RepoTagsResponse
2178 if err := json.Unmarshal(tagBytes, &tags); err != nil {
2179 log.Println("failed to decode XRPC tags response", err)
2180 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2181 return
2182 }
2183
2184 compareBytes, err := tangled.RepoCompare(r.Context(), xrpcc, repo, base, head)
2185 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
2186 log.Println("failed to call XRPC repo.compare", xrpcerr)
2187 rp.pages.Error503(w)
2188 return
2189 }
2190
2191 var formatPatch types.RepoFormatPatchResponse
2192 if err := json.Unmarshal(compareBytes, &formatPatch); err != nil {
2193 log.Println("failed to decode XRPC compare response", err)
2194 rp.pages.Notice(w, "compare-error", "Failed to produce comparison. Try again later.")
2195 return
2196 }
2197
2198 diff := patchutil.AsNiceDiff(formatPatch.Patch, base)
2199
2200 repoinfo := f.RepoInfo(user)
2201
2202 rp.pages.RepoCompare(w, pages.RepoCompareParams{
2203 LoggedInUser: user,
2204 RepoInfo: repoinfo,
2205 Branches: branches.Branches,
2206 Tags: tags.Tags,
2207 Base: base,
2208 Head: head,
2209 Diff: &diff,
2210 DiffOpts: diffOpts,
2211 })
2212
2213}