harperandrews.org
forked from
tangled.org/core
Monorepo for Tangled — https://tangled.org
appview: relax auth requirement on artifact download
Signed-off-by: oppiliappan <me@oppi.li>
oppi.li
+40
-14
appview/repo/artifact.go
+40
-14
appview/repo/artifact.go
···
4
4
"context"
5
5
"encoding/json"
6
6
"fmt"
7
+
"io"
7
8
"log"
8
9
"net/http"
9
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"net/url"
···
133
134
})
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}
135
136
136
-
// TODO: proper statuses here on early exit
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func (rp *Repo) DownloadArtifact(w http.ResponseWriter, r *http.Request) {
138
-
tagParam := chi.URLParam(r, "tag")
139
-
filename := chi.URLParam(r, "file")
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f, err := rp.repoResolver.Resolve(r)
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if err != nil {
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log.Println("failed to get repo and knot", err)
141
+
http.Error(w, "failed to resolve repo", http.StatusInternalServerError)
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return
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}
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+
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+
tagParam := chi.URLParam(r, "tag")
146
+
filename := chi.URLParam(r, "file")
145
147
146
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tag, err := rp.resolveTag(r.Context(), f, tagParam)
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if err != nil {
···
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return
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}
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154
153
-
client, err := rp.oauth.AuthorizedClient(r)
154
-
if err != nil {
155
-
log.Println("failed to get authorized client", err)
156
-
return
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-
}
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-
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155
artifacts, err := db.GetArtifact(
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156
rp.db,
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db.FilterEq("repo_at", f.RepoAt()),
···
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160
)
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if err != nil {
166
162
log.Println("failed to get artifacts", err)
163
+
http.Error(w, "failed to get artifact", http.StatusInternalServerError)
167
164
return
168
165
}
166
+
169
167
if len(artifacts) != 1 {
170
-
log.Printf("too many or too little artifacts found")
168
+
log.Printf("too many or too few artifacts found")
169
+
http.Error(w, "artifact not found", http.StatusNotFound)
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return
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}
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artifact := artifacts[0]
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174
176
-
getBlobResp, err := client.SyncGetBlob(r.Context(), artifact.BlobCid.String(), artifact.Did)
175
+
ownerPds := f.OwnerId.PDSEndpoint()
176
+
url, _ := url.Parse(fmt.Sprintf("%s/xrpc/com.atproto.sync.getBlob", ownerPds))
177
+
q := url.Query()
178
+
q.Set("cid", artifact.BlobCid.String())
179
+
q.Set("did", artifact.Did)
180
+
url.RawQuery = q.Encode()
181
+
182
+
req, err := http.NewRequest(http.MethodGet, url.String(), nil)
183
+
if err != nil {
184
+
log.Println("failed to create request", err)
185
+
http.Error(w, "failed to create request", http.StatusInternalServerError)
186
+
return
187
+
}
188
+
req.Header.Set("Content-Type", "application/json")
189
+
190
+
resp, err := http.DefaultClient.Do(req)
177
191
if err != nil {
178
-
log.Println("failed to get blob from pds", err)
192
+
log.Println("failed to make request", err)
193
+
http.Error(w, "failed to make request to PDS", http.StatusInternalServerError)
179
194
return
180
195
}
196
+
defer resp.Body.Close()
181
197
182
-
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%q", filename))
183
-
w.Write(getBlobResp)
198
+
// copy status code and relevant headers from upstream response
199
+
w.WriteHeader(resp.StatusCode)
200
+
for key, values := range resp.Header {
201
+
for _, v := range values {
202
+
w.Header().Add(key, v)
203
+
}
204
+
}
205
+
206
+
// stream the body directly to the client
207
+
if _, err := io.Copy(w, resp.Body); err != nil {
208
+
log.Println("error streaming response to client:", err)
209
+
}
184
210
}
185
211
186
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// TODO: proper statuses here on early exit
+2
-3
appview/repo/router.go
+2
-3
appview/repo/router.go
···
21
21
r.Route("/tags", func(r chi.Router) {
22
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r.Get("/", rp.RepoTags)
23
23
r.Route("/{tag}", func(r chi.Router) {
24
-
r.Use(middleware.AuthMiddleware(rp.oauth))
25
-
// require auth to download for now
26
24
r.Get("/download/{file}", rp.DownloadArtifact)
27
25
28
26
// require repo:push to upload or delete artifacts
···
30
28
// additionally: only the uploader can truly delete an artifact
31
29
// (record+blob will live on their pds)
32
30
r.Group(func(r chi.Router) {
33
-
r.With(mw.RepoPermissionMiddleware("repo:push"))
31
+
r.Use(middleware.AuthMiddleware(rp.oauth))
32
+
r.Use(mw.RepoPermissionMiddleware("repo:push"))
34
33
r.Post("/upload", rp.AttachArtifact)
35
34
r.Delete("/{file}", rp.DeleteArtifact)
36
35
})