-
Notifications
You must be signed in to change notification settings - Fork 0
/
plugin.go
285 lines (246 loc) · 7.46 KB
/
plugin.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
package main
import (
"database/sql"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"path"
"path/filepath"
"strings"
"github.com/gorilla/mux"
"github.com/ovh/cds/engine/api/action"
"github.com/ovh/cds/engine/api/actionplugin"
"github.com/ovh/cds/engine/api/context"
"github.com/ovh/cds/engine/api/objectstore"
"github.com/ovh/cds/engine/log"
"github.com/ovh/cds/sdk"
"github.com/ovh/cds/sdk/plugin"
)
func fileUploadAndGetPlugin(w http.ResponseWriter, r *http.Request) (*sdk.ActionPlugin, *plugin.Parameters, io.ReadCloser, func(), error) {
r.ParseMultipartForm(64 << 20)
file, handler, err := r.FormFile("UploadFile")
if err != nil {
log.Warning("fileUploadAndGetPlugin> %s", err)
log.Debug("fileUploadAndGetPlugin> %v", r.Header)
return nil, nil, nil, nil, err
}
filename := handler.Filename
t := strings.Split(handler.Filename, "/")
if len(t) > 1 {
filename = t[len(t)-1]
}
log.Debug("fileUploadAndGetPlugin> file upload detected : %s", filename)
defer file.Close()
tmp, err := ioutil.TempDir("", "cds-plugin")
if err != nil {
log.Critical("fileUploadAndGetPlugin> %s", err)
return nil, nil, nil, nil, err
}
deferFunc := func() {
log.Debug("fileUploadAndGetPlugin> deleting file %s", tmp)
os.RemoveAll(tmp)
}
log.Debug("fileUploadAndGetPlugin> creating temporary directory")
tmpfn := filepath.Join(tmp, filename)
f, err := os.OpenFile(tmpfn, os.O_WRONLY|os.O_CREATE, 0700)
if err != nil {
log.Critical("fileUploadAndGetPlugin> %s", err)
return nil, nil, nil, deferFunc, err
}
log.Debug("fileUploadAndGetPlugin> writing file %s", tmpfn)
io.Copy(f, file)
f.Close()
content, err := os.Open(tmpfn)
if err != nil {
log.Critical("fileUploadAndGetPlugin> %s", err)
return nil, nil, nil, deferFunc, err
}
ap, params, err := actionplugin.Get(filename, tmpfn)
if err != nil {
log.Warning("fileUploadAndGetPlugin> unable to get plugin info: %s", err)
return nil, nil, nil, deferFunc, sdk.NewError(sdk.ErrPluginInvalid, err)
}
return ap, params, content, deferFunc, nil
}
func addPluginHandler(w http.ResponseWriter, r *http.Request, db *sql.DB, c *context.Context) {
//Upload file and get plugin information
ap, params, file, deferFunc, err := fileUploadAndGetPlugin(w, r)
if deferFunc != nil {
defer deferFunc()
}
if err != nil {
log.Warning("addPluginHandler>%T %s", err, err)
WriteError(w, r, err)
return
}
defer file.Close()
// Check that action does not already exists
conflict, err := action.Exists(db, ap.Name)
if err != nil {
log.Warning("updatePluginHandler>%T %s", err, err)
WriteError(w, r, err)
return
}
if conflict {
WriteError(w, r, sdk.ErrConflict)
return
}
//Upload it to objectstore
objectPath, err := objectstore.StorePlugin(*ap, file)
if err != nil {
log.Warning("addPluginHandler> Error while uploading to object store %s: %s\n", ap.Name, err)
WriteError(w, r, err)
return
}
ap.ObjectPath = objectPath
//Insert in database
a, err := actionplugin.Insert(db, ap, params)
if err != nil {
log.Warning("addPluginHandler> Error while inserting action %s in database: %s\n", ap.Name, err)
objectstore.DeletePlugin(*ap)
WriteError(w, r, err)
return
}
WriteJSON(w, r, a, http.StatusCreated)
return
}
func updatePluginHandler(w http.ResponseWriter, r *http.Request, db *sql.DB, c *context.Context) {
//Upload file and get plugin information
ap, params, file, deferFunc, err := fileUploadAndGetPlugin(w, r)
if deferFunc != nil {
defer deferFunc()
}
if err != nil {
log.Warning("updatePluginHandler>%T %s", err, err)
WriteError(w, r, err)
return
}
// Check that action does not already exists
exists, err := action.Exists(db, ap.Name)
if err != nil {
log.Warning("updatePluginHandler>%T %s", err, err)
WriteError(w, r, err)
return
}
if !exists {
WriteError(w, r, sdk.ErrNoAction)
return
}
//Store previous file from objectstore
buf, err := objectstore.FetchPlugin(*ap)
if err != nil {
log.Warning("updatePluginHandler>Unable to fetch plugin: %s", err)
WriteError(w, r, sdk.NewError(sdk.ErrPluginInvalid, err))
return
}
defer buf.Close()
//Read it
btes, err := ioutil.ReadAll(buf)
if err != nil {
log.Warning("updatePluginHandler>%T %s", err, err)
WriteError(w, r, err)
return
}
//Get a dir
tmpDir, err := ioutil.TempDir("", "old-plugin")
if err != nil {
log.Warning("updatePluginHandler> error with tempdir %T %s", err, err)
WriteError(w, r, err)
return
}
os.MkdirAll(tmpDir, os.FileMode(0700))
//Get a temp file
tmpFile := path.Join(tmpDir, ap.Name)
//Write it
log.Debug("updatePluginHandler>store oldfile %s in case of error", tmpFile)
if err := ioutil.WriteFile(tmpFile, btes, os.FileMode(0600)); err != nil {
log.Warning("updatePluginHandler>Error writing file %s %T %s", tmpFile, err, err)
WriteError(w, r, err)
return
}
defer func() {
log.Debug("updatePluginHandler> deleting file %s", tmpFile)
os.RemoveAll(tmpFile)
}()
//Delete previous file from objectstore
objectstore.DeletePlugin(*ap)
if err != nil {
log.Warning("updatePluginHandler>Error deleting file %T %s", err, err)
WriteError(w, r, err)
return
}
//Upload it to objectstore
objectPath, err := objectstore.StorePlugin(*ap, file)
if err != nil {
log.Warning("updatePluginHandler> Error while uploading to object store %s: %s\n", ap.Name, err)
WriteError(w, r, err)
return
}
ap.ObjectPath = objectPath
//Update in database
a, errDB := actionplugin.Update(db, ap, params, c.User.ID)
if errDB != nil {
log.Warning("updatePluginHandler> Error while updating action %s in database: %s\n", ap.Name, err)
//Restore previous file
oldFile, err := os.Open(tmpFile)
if err != nil {
log.Warning("updatePluginHandler>Error opening file %s %T %s", tmpFile, err, err)
WriteError(w, r, err)
return
}
//re-store the old plugin file
if _, err := objectstore.StorePlugin(*ap, oldFile); err != nil {
log.Warning("updatePluginHandler> Error while uploading to object store %s: %s\n", ap.Name, err)
WriteError(w, r, err)
return
}
log.Warning("updatePluginHandler>%T %s", errDB, errDB)
WriteError(w, r, errDB)
return
}
WriteJSON(w, r, a, http.StatusOK)
return
}
func deletePluginHandler(w http.ResponseWriter, r *http.Request, db *sql.DB, c *context.Context) {
vars := mux.Vars(r)
name := vars["name"]
if name == "" {
w.WriteHeader(http.StatusBadRequest)
return
}
//Delete in database
if err := actionplugin.Delete(db, name, c.User.ID); err != nil {
log.Warning("deletePluginHandler> Error while deleting action %s in database: %s\n", name, err)
WriteError(w, r, err)
return
}
//Delete from objectstore
if err := objectstore.DeletePlugin(sdk.ActionPlugin{Name: name}); err != nil {
log.Warning("deletePluginHandler> Error while deleting action %s in objectstore: %s\n", name, err)
WriteError(w, r, err)
return
}
}
func downloadPluginHandler(w http.ResponseWriter, r *http.Request, db *sql.DB, c *context.Context) {
vars := mux.Vars(r)
name := vars["name"]
if name == "" {
w.WriteHeader(http.StatusBadRequest)
return
}
f, err := objectstore.FetchPlugin(sdk.ActionPlugin{Name: name})
if err != nil {
log.Warning("downloadPluginHandler> Error while fetching plugin: %s\n", name, err)
WriteError(w, r, err)
return
}
w.Header().Add("Content-Type", "application/octet-stream")
w.Header().Add("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", name))
if err := objectstore.StreamFile(w, f); err != nil {
log.Warning("downloadPluginHandler> Error while streaming plugin %s: %s\n", name, err)
WriteError(w, r, err)
return
}
}