1// Copyright 2023 The Gitea Authors. All rights reserved.
2// SPDX-License-Identifier: MIT
3
4package cmd
5
6import (
7 "errors"
8 "fmt"
9 "net/url"
10
11 auth_model "forgejo.org/models/auth"
12 "forgejo.org/services/auth/source/oauth2"
13
14 "github.com/urfave/cli/v2"
15)
16
17var (
18 oauthCLIFlags = []cli.Flag{
19 &cli.StringFlag{
20 Name: "name",
21 Value: "",
22 Usage: "Application Name",
23 },
24 &cli.StringFlag{
25 Name: "provider",
26 Value: "",
27 Usage: "OAuth2 Provider",
28 },
29 &cli.StringFlag{
30 Name: "key",
31 Value: "",
32 Usage: "Client ID (Key)",
33 },
34 &cli.StringFlag{
35 Name: "secret",
36 Value: "",
37 Usage: "Client Secret",
38 },
39 &cli.StringFlag{
40 Name: "auto-discover-url",
41 Value: "",
42 Usage: "OpenID Connect Auto Discovery URL (only required when using OpenID Connect as provider)",
43 },
44 &cli.StringFlag{
45 Name: "use-custom-urls",
46 Value: "false",
47 Usage: "Use custom URLs for GitLab/GitHub OAuth endpoints",
48 },
49 &cli.StringFlag{
50 Name: "custom-tenant-id",
51 Value: "",
52 Usage: "Use custom Tenant ID for OAuth endpoints",
53 },
54 &cli.StringFlag{
55 Name: "custom-auth-url",
56 Value: "",
57 Usage: "Use a custom Authorization URL (option for GitLab/GitHub)",
58 },
59 &cli.StringFlag{
60 Name: "custom-token-url",
61 Value: "",
62 Usage: "Use a custom Token URL (option for GitLab/GitHub)",
63 },
64 &cli.StringFlag{
65 Name: "custom-profile-url",
66 Value: "",
67 Usage: "Use a custom Profile URL (option for GitLab/GitHub)",
68 },
69 &cli.StringFlag{
70 Name: "custom-email-url",
71 Value: "",
72 Usage: "Use a custom Email URL (option for GitHub)",
73 },
74 &cli.StringFlag{
75 Name: "icon-url",
76 Value: "",
77 Usage: "Custom icon URL for OAuth2 login source",
78 },
79 &cli.BoolFlag{
80 Name: "skip-local-2fa",
81 Usage: "Set to true to skip local 2fa for users authenticated by this source",
82 },
83 &cli.StringSliceFlag{
84 Name: "scopes",
85 Value: nil,
86 Usage: "Scopes to request when to authenticate against this OAuth2 source",
87 },
88 &cli.StringFlag{
89 Name: "required-claim-name",
90 Value: "",
91 Usage: "Claim name that has to be set to allow users to login with this source",
92 },
93 &cli.StringFlag{
94 Name: "required-claim-value",
95 Value: "",
96 Usage: "Claim value that has to be set to allow users to login with this source",
97 },
98 &cli.StringFlag{
99 Name: "group-claim-name",
100 Value: "",
101 Usage: "Claim name providing group names for this source",
102 },
103 &cli.StringFlag{
104 Name: "admin-group",
105 Value: "",
106 Usage: "Group Claim value for administrator users",
107 },
108 &cli.StringFlag{
109 Name: "restricted-group",
110 Value: "",
111 Usage: "Group Claim value for restricted users",
112 },
113 &cli.StringFlag{
114 Name: "group-team-map",
115 Value: "",
116 Usage: "JSON mapping between groups and org teams",
117 },
118 &cli.BoolFlag{
119 Name: "group-team-map-removal",
120 Usage: "Activate automatic team membership removal depending on groups",
121 },
122 }
123
124 microcmdAuthAddOauth = &cli.Command{
125 Name: "add-oauth",
126 Usage: "Add new Oauth authentication source",
127 Action: runAddOauth,
128 Flags: oauthCLIFlags,
129 }
130
131 microcmdAuthUpdateOauth = &cli.Command{
132 Name: "update-oauth",
133 Usage: "Update existing Oauth authentication source",
134 Action: runUpdateOauth,
135 Flags: append(oauthCLIFlags[:1], append([]cli.Flag{idFlag}, oauthCLIFlags[1:]...)...),
136 }
137)
138
139func parseOAuth2Config(c *cli.Context) *oauth2.Source {
140 var customURLMapping *oauth2.CustomURLMapping
141 if c.IsSet("use-custom-urls") {
142 customURLMapping = &oauth2.CustomURLMapping{
143 TokenURL: c.String("custom-token-url"),
144 AuthURL: c.String("custom-auth-url"),
145 ProfileURL: c.String("custom-profile-url"),
146 EmailURL: c.String("custom-email-url"),
147 Tenant: c.String("custom-tenant-id"),
148 }
149 } else {
150 customURLMapping = nil
151 }
152 return &oauth2.Source{
153 Provider: c.String("provider"),
154 ClientID: c.String("key"),
155 ClientSecret: c.String("secret"),
156 OpenIDConnectAutoDiscoveryURL: c.String("auto-discover-url"),
157 CustomURLMapping: customURLMapping,
158 IconURL: c.String("icon-url"),
159 SkipLocalTwoFA: c.Bool("skip-local-2fa"),
160 Scopes: c.StringSlice("scopes"),
161 RequiredClaimName: c.String("required-claim-name"),
162 RequiredClaimValue: c.String("required-claim-value"),
163 GroupClaimName: c.String("group-claim-name"),
164 AdminGroup: c.String("admin-group"),
165 RestrictedGroup: c.String("restricted-group"),
166 GroupTeamMap: c.String("group-team-map"),
167 GroupTeamMapRemoval: c.Bool("group-team-map-removal"),
168 }
169}
170
171func runAddOauth(c *cli.Context) error {
172 ctx, cancel := installSignals()
173 defer cancel()
174
175 if err := initDB(ctx); err != nil {
176 return err
177 }
178
179 config := parseOAuth2Config(c)
180 if config.Provider == "openidConnect" {
181 discoveryURL, err := url.Parse(config.OpenIDConnectAutoDiscoveryURL)
182 if err != nil || (discoveryURL.Scheme != "http" && discoveryURL.Scheme != "https") {
183 return fmt.Errorf("invalid Auto Discovery URL: %s (this must be a valid URL starting with http:// or https://)", config.OpenIDConnectAutoDiscoveryURL)
184 }
185 }
186
187 return auth_model.CreateSource(ctx, &auth_model.Source{
188 Type: auth_model.OAuth2,
189 Name: c.String("name"),
190 IsActive: true,
191 Cfg: config,
192 })
193}
194
195func runUpdateOauth(c *cli.Context) error {
196 if !c.IsSet("id") {
197 return errors.New("--id flag is missing")
198 }
199
200 ctx, cancel := installSignals()
201 defer cancel()
202
203 if err := initDB(ctx); err != nil {
204 return err
205 }
206
207 source, err := auth_model.GetSourceByID(ctx, c.Int64("id"))
208 if err != nil {
209 return err
210 }
211
212 oAuth2Config := source.Cfg.(*oauth2.Source)
213
214 if c.IsSet("name") {
215 source.Name = c.String("name")
216 }
217
218 if c.IsSet("provider") {
219 oAuth2Config.Provider = c.String("provider")
220 }
221
222 if c.IsSet("key") {
223 oAuth2Config.ClientID = c.String("key")
224 }
225
226 if c.IsSet("secret") {
227 oAuth2Config.ClientSecret = c.String("secret")
228 }
229
230 if c.IsSet("auto-discover-url") {
231 oAuth2Config.OpenIDConnectAutoDiscoveryURL = c.String("auto-discover-url")
232 }
233
234 if c.IsSet("icon-url") {
235 oAuth2Config.IconURL = c.String("icon-url")
236 }
237
238 if c.IsSet("scopes") {
239 oAuth2Config.Scopes = c.StringSlice("scopes")
240 }
241
242 if c.IsSet("required-claim-name") {
243 oAuth2Config.RequiredClaimName = c.String("required-claim-name")
244 }
245 if c.IsSet("required-claim-value") {
246 oAuth2Config.RequiredClaimValue = c.String("required-claim-value")
247 }
248
249 if c.IsSet("group-claim-name") {
250 oAuth2Config.GroupClaimName = c.String("group-claim-name")
251 }
252 if c.IsSet("admin-group") {
253 oAuth2Config.AdminGroup = c.String("admin-group")
254 }
255 if c.IsSet("restricted-group") {
256 oAuth2Config.RestrictedGroup = c.String("restricted-group")
257 }
258 if c.IsSet("group-team-map") {
259 oAuth2Config.GroupTeamMap = c.String("group-team-map")
260 }
261 if c.IsSet("group-team-map-removal") {
262 oAuth2Config.GroupTeamMapRemoval = c.Bool("group-team-map-removal")
263 }
264
265 // update custom URL mapping
266 customURLMapping := &oauth2.CustomURLMapping{}
267
268 if oAuth2Config.CustomURLMapping != nil {
269 customURLMapping.TokenURL = oAuth2Config.CustomURLMapping.TokenURL
270 customURLMapping.AuthURL = oAuth2Config.CustomURLMapping.AuthURL
271 customURLMapping.ProfileURL = oAuth2Config.CustomURLMapping.ProfileURL
272 customURLMapping.EmailURL = oAuth2Config.CustomURLMapping.EmailURL
273 customURLMapping.Tenant = oAuth2Config.CustomURLMapping.Tenant
274 }
275 if c.IsSet("use-custom-urls") && c.IsSet("custom-token-url") {
276 customURLMapping.TokenURL = c.String("custom-token-url")
277 }
278
279 if c.IsSet("use-custom-urls") && c.IsSet("custom-auth-url") {
280 customURLMapping.AuthURL = c.String("custom-auth-url")
281 }
282
283 if c.IsSet("use-custom-urls") && c.IsSet("custom-profile-url") {
284 customURLMapping.ProfileURL = c.String("custom-profile-url")
285 }
286
287 if c.IsSet("use-custom-urls") && c.IsSet("custom-email-url") {
288 customURLMapping.EmailURL = c.String("custom-email-url")
289 }
290
291 if c.IsSet("use-custom-urls") && c.IsSet("custom-tenant-id") {
292 customURLMapping.Tenant = c.String("custom-tenant-id")
293 }
294
295 oAuth2Config.CustomURLMapping = customURLMapping
296 source.Cfg = oAuth2Config
297
298 return auth_model.UpdateSource(ctx, source)
299}