@@ -46,169 +46,169 @@ |
||
46 | 46 | */ |
47 | 47 | class OCSAuthAPIController extends OCSController{ |
48 | 48 | |
49 | - /** @var ISecureRandom */ |
|
50 | - private $secureRandom; |
|
51 | - |
|
52 | - /** @var IJobList */ |
|
53 | - private $jobList; |
|
54 | - |
|
55 | - /** @var TrustedServers */ |
|
56 | - private $trustedServers; |
|
57 | - |
|
58 | - /** @var DbHandler */ |
|
59 | - private $dbHandler; |
|
60 | - |
|
61 | - /** @var ILogger */ |
|
62 | - private $logger; |
|
63 | - |
|
64 | - /** |
|
65 | - * OCSAuthAPI constructor. |
|
66 | - * |
|
67 | - * @param string $appName |
|
68 | - * @param IRequest $request |
|
69 | - * @param ISecureRandom $secureRandom |
|
70 | - * @param IJobList $jobList |
|
71 | - * @param TrustedServers $trustedServers |
|
72 | - * @param DbHandler $dbHandler |
|
73 | - * @param ILogger $logger |
|
74 | - */ |
|
75 | - public function __construct( |
|
76 | - $appName, |
|
77 | - IRequest $request, |
|
78 | - ISecureRandom $secureRandom, |
|
79 | - IJobList $jobList, |
|
80 | - TrustedServers $trustedServers, |
|
81 | - DbHandler $dbHandler, |
|
82 | - ILogger $logger |
|
83 | - ) { |
|
84 | - parent::__construct($appName, $request); |
|
85 | - |
|
86 | - $this->secureRandom = $secureRandom; |
|
87 | - $this->jobList = $jobList; |
|
88 | - $this->trustedServers = $trustedServers; |
|
89 | - $this->dbHandler = $dbHandler; |
|
90 | - $this->logger = $logger; |
|
91 | - } |
|
92 | - |
|
93 | - /** |
|
94 | - * @NoCSRFRequired |
|
95 | - * @PublicPage |
|
96 | - * |
|
97 | - * request received to ask remote server for a shared secret, for legacy end-points |
|
98 | - * |
|
99 | - * @param string $url |
|
100 | - * @param string $token |
|
101 | - * @return Http\DataResponse |
|
102 | - * @throws OCSForbiddenException |
|
103 | - */ |
|
104 | - public function requestSharedSecretLegacy($url, $token) { |
|
105 | - return $this->requestSharedSecret($url, $token); |
|
106 | - } |
|
107 | - |
|
108 | - |
|
109 | - /** |
|
110 | - * @NoCSRFRequired |
|
111 | - * @PublicPage |
|
112 | - * |
|
113 | - * create shared secret and return it, for legacy end-points |
|
114 | - * |
|
115 | - * @param string $url |
|
116 | - * @param string $token |
|
117 | - * @return Http\DataResponse |
|
118 | - * @throws OCSForbiddenException |
|
119 | - */ |
|
120 | - public function getSharedSecretLegacy($url, $token) { |
|
121 | - return $this->getSharedSecret($url, $token); |
|
122 | - } |
|
123 | - |
|
124 | - /** |
|
125 | - * @NoCSRFRequired |
|
126 | - * @PublicPage |
|
127 | - * |
|
128 | - * request received to ask remote server for a shared secret |
|
129 | - * |
|
130 | - * @param string $url |
|
131 | - * @param string $token |
|
132 | - * @return Http\DataResponse |
|
133 | - * @throws OCSForbiddenException |
|
134 | - */ |
|
135 | - public function requestSharedSecret($url, $token) { |
|
136 | - if ($this->trustedServers->isTrustedServer($url) === false) { |
|
137 | - $this->logger->error('remote server not trusted (' . $url . ') while requesting shared secret', ['app' => 'federation']); |
|
138 | - throw new OCSForbiddenException(); |
|
139 | - } |
|
140 | - |
|
141 | - // if both server initiated the exchange of the shared secret the greater |
|
142 | - // token wins |
|
143 | - $localToken = $this->dbHandler->getToken($url); |
|
144 | - if (strcmp($localToken, $token) > 0) { |
|
145 | - $this->logger->info( |
|
146 | - 'remote server (' . $url . ') presented lower token. We will initiate the exchange of the shared secret.', |
|
147 | - ['app' => 'federation'] |
|
148 | - ); |
|
149 | - throw new OCSForbiddenException(); |
|
150 | - } |
|
151 | - |
|
152 | - // we ask for the shared secret so we no longer have to ask the other server |
|
153 | - // to request the shared secret |
|
154 | - $this->jobList->remove('OCA\Federation\BackgroundJob\RequestSharedSecret', |
|
155 | - [ |
|
156 | - 'url' => $url, |
|
157 | - 'token' => $localToken |
|
158 | - ] |
|
159 | - ); |
|
160 | - |
|
161 | - $this->jobList->add( |
|
162 | - 'OCA\Federation\BackgroundJob\GetSharedSecret', |
|
163 | - [ |
|
164 | - 'url' => $url, |
|
165 | - 'token' => $token, |
|
166 | - ] |
|
167 | - ); |
|
168 | - |
|
169 | - return new Http\DataResponse(); |
|
170 | - } |
|
171 | - |
|
172 | - /** |
|
173 | - * @NoCSRFRequired |
|
174 | - * @PublicPage |
|
175 | - * |
|
176 | - * create shared secret and return it |
|
177 | - * |
|
178 | - * @param string $url |
|
179 | - * @param string $token |
|
180 | - * @return Http\DataResponse |
|
181 | - * @throws OCSForbiddenException |
|
182 | - */ |
|
183 | - public function getSharedSecret($url, $token) { |
|
184 | - if ($this->trustedServers->isTrustedServer($url) === false) { |
|
185 | - $this->logger->error('remote server not trusted (' . $url . ') while getting shared secret', ['app' => 'federation']); |
|
186 | - throw new OCSForbiddenException(); |
|
187 | - } |
|
188 | - |
|
189 | - if ($this->isValidToken($url, $token) === false) { |
|
190 | - $expectedToken = $this->dbHandler->getToken($url); |
|
191 | - $this->logger->error( |
|
192 | - 'remote server (' . $url . ') didn\'t send a valid token (got "' . $token . '" but expected "'. $expectedToken . '") while getting shared secret', |
|
193 | - ['app' => 'federation'] |
|
194 | - ); |
|
195 | - throw new OCSForbiddenException(); |
|
196 | - } |
|
197 | - |
|
198 | - $sharedSecret = $this->secureRandom->generate(32); |
|
199 | - |
|
200 | - $this->trustedServers->addSharedSecret($url, $sharedSecret); |
|
201 | - // reset token after the exchange of the shared secret was successful |
|
202 | - $this->dbHandler->addToken($url, ''); |
|
203 | - |
|
204 | - return new Http\DataResponse([ |
|
205 | - 'sharedSecret' => $sharedSecret |
|
206 | - ]); |
|
207 | - } |
|
208 | - |
|
209 | - protected function isValidToken($url, $token) { |
|
210 | - $storedToken = $this->dbHandler->getToken($url); |
|
211 | - return hash_equals($storedToken, $token); |
|
212 | - } |
|
49 | + /** @var ISecureRandom */ |
|
50 | + private $secureRandom; |
|
51 | + |
|
52 | + /** @var IJobList */ |
|
53 | + private $jobList; |
|
54 | + |
|
55 | + /** @var TrustedServers */ |
|
56 | + private $trustedServers; |
|
57 | + |
|
58 | + /** @var DbHandler */ |
|
59 | + private $dbHandler; |
|
60 | + |
|
61 | + /** @var ILogger */ |
|
62 | + private $logger; |
|
63 | + |
|
64 | + /** |
|
65 | + * OCSAuthAPI constructor. |
|
66 | + * |
|
67 | + * @param string $appName |
|
68 | + * @param IRequest $request |
|
69 | + * @param ISecureRandom $secureRandom |
|
70 | + * @param IJobList $jobList |
|
71 | + * @param TrustedServers $trustedServers |
|
72 | + * @param DbHandler $dbHandler |
|
73 | + * @param ILogger $logger |
|
74 | + */ |
|
75 | + public function __construct( |
|
76 | + $appName, |
|
77 | + IRequest $request, |
|
78 | + ISecureRandom $secureRandom, |
|
79 | + IJobList $jobList, |
|
80 | + TrustedServers $trustedServers, |
|
81 | + DbHandler $dbHandler, |
|
82 | + ILogger $logger |
|
83 | + ) { |
|
84 | + parent::__construct($appName, $request); |
|
85 | + |
|
86 | + $this->secureRandom = $secureRandom; |
|
87 | + $this->jobList = $jobList; |
|
88 | + $this->trustedServers = $trustedServers; |
|
89 | + $this->dbHandler = $dbHandler; |
|
90 | + $this->logger = $logger; |
|
91 | + } |
|
92 | + |
|
93 | + /** |
|
94 | + * @NoCSRFRequired |
|
95 | + * @PublicPage |
|
96 | + * |
|
97 | + * request received to ask remote server for a shared secret, for legacy end-points |
|
98 | + * |
|
99 | + * @param string $url |
|
100 | + * @param string $token |
|
101 | + * @return Http\DataResponse |
|
102 | + * @throws OCSForbiddenException |
|
103 | + */ |
|
104 | + public function requestSharedSecretLegacy($url, $token) { |
|
105 | + return $this->requestSharedSecret($url, $token); |
|
106 | + } |
|
107 | + |
|
108 | + |
|
109 | + /** |
|
110 | + * @NoCSRFRequired |
|
111 | + * @PublicPage |
|
112 | + * |
|
113 | + * create shared secret and return it, for legacy end-points |
|
114 | + * |
|
115 | + * @param string $url |
|
116 | + * @param string $token |
|
117 | + * @return Http\DataResponse |
|
118 | + * @throws OCSForbiddenException |
|
119 | + */ |
|
120 | + public function getSharedSecretLegacy($url, $token) { |
|
121 | + return $this->getSharedSecret($url, $token); |
|
122 | + } |
|
123 | + |
|
124 | + /** |
|
125 | + * @NoCSRFRequired |
|
126 | + * @PublicPage |
|
127 | + * |
|
128 | + * request received to ask remote server for a shared secret |
|
129 | + * |
|
130 | + * @param string $url |
|
131 | + * @param string $token |
|
132 | + * @return Http\DataResponse |
|
133 | + * @throws OCSForbiddenException |
|
134 | + */ |
|
135 | + public function requestSharedSecret($url, $token) { |
|
136 | + if ($this->trustedServers->isTrustedServer($url) === false) { |
|
137 | + $this->logger->error('remote server not trusted (' . $url . ') while requesting shared secret', ['app' => 'federation']); |
|
138 | + throw new OCSForbiddenException(); |
|
139 | + } |
|
140 | + |
|
141 | + // if both server initiated the exchange of the shared secret the greater |
|
142 | + // token wins |
|
143 | + $localToken = $this->dbHandler->getToken($url); |
|
144 | + if (strcmp($localToken, $token) > 0) { |
|
145 | + $this->logger->info( |
|
146 | + 'remote server (' . $url . ') presented lower token. We will initiate the exchange of the shared secret.', |
|
147 | + ['app' => 'federation'] |
|
148 | + ); |
|
149 | + throw new OCSForbiddenException(); |
|
150 | + } |
|
151 | + |
|
152 | + // we ask for the shared secret so we no longer have to ask the other server |
|
153 | + // to request the shared secret |
|
154 | + $this->jobList->remove('OCA\Federation\BackgroundJob\RequestSharedSecret', |
|
155 | + [ |
|
156 | + 'url' => $url, |
|
157 | + 'token' => $localToken |
|
158 | + ] |
|
159 | + ); |
|
160 | + |
|
161 | + $this->jobList->add( |
|
162 | + 'OCA\Federation\BackgroundJob\GetSharedSecret', |
|
163 | + [ |
|
164 | + 'url' => $url, |
|
165 | + 'token' => $token, |
|
166 | + ] |
|
167 | + ); |
|
168 | + |
|
169 | + return new Http\DataResponse(); |
|
170 | + } |
|
171 | + |
|
172 | + /** |
|
173 | + * @NoCSRFRequired |
|
174 | + * @PublicPage |
|
175 | + * |
|
176 | + * create shared secret and return it |
|
177 | + * |
|
178 | + * @param string $url |
|
179 | + * @param string $token |
|
180 | + * @return Http\DataResponse |
|
181 | + * @throws OCSForbiddenException |
|
182 | + */ |
|
183 | + public function getSharedSecret($url, $token) { |
|
184 | + if ($this->trustedServers->isTrustedServer($url) === false) { |
|
185 | + $this->logger->error('remote server not trusted (' . $url . ') while getting shared secret', ['app' => 'federation']); |
|
186 | + throw new OCSForbiddenException(); |
|
187 | + } |
|
188 | + |
|
189 | + if ($this->isValidToken($url, $token) === false) { |
|
190 | + $expectedToken = $this->dbHandler->getToken($url); |
|
191 | + $this->logger->error( |
|
192 | + 'remote server (' . $url . ') didn\'t send a valid token (got "' . $token . '" but expected "'. $expectedToken . '") while getting shared secret', |
|
193 | + ['app' => 'federation'] |
|
194 | + ); |
|
195 | + throw new OCSForbiddenException(); |
|
196 | + } |
|
197 | + |
|
198 | + $sharedSecret = $this->secureRandom->generate(32); |
|
199 | + |
|
200 | + $this->trustedServers->addSharedSecret($url, $sharedSecret); |
|
201 | + // reset token after the exchange of the shared secret was successful |
|
202 | + $this->dbHandler->addToken($url, ''); |
|
203 | + |
|
204 | + return new Http\DataResponse([ |
|
205 | + 'sharedSecret' => $sharedSecret |
|
206 | + ]); |
|
207 | + } |
|
208 | + |
|
209 | + protected function isValidToken($url, $token) { |
|
210 | + $storedToken = $this->dbHandler->getToken($url); |
|
211 | + return hash_equals($storedToken, $token); |
|
212 | + } |
|
213 | 213 | |
214 | 214 | } |
@@ -23,50 +23,50 @@ |
||
23 | 23 | $application = new \OCA\Federation\AppInfo\Application(); |
24 | 24 | |
25 | 25 | $application->registerRoutes( |
26 | - $this, |
|
27 | - [ |
|
28 | - 'routes' => [ |
|
29 | - [ |
|
30 | - 'name' => 'Settings#addServer', |
|
31 | - 'url' => '/trusted-servers', |
|
32 | - 'verb' => 'POST' |
|
33 | - ], |
|
34 | - [ |
|
35 | - 'name' => 'Settings#removeServer', |
|
36 | - 'url' => '/trusted-servers/{id}', |
|
37 | - 'verb' => 'DELETE' |
|
38 | - ], |
|
39 | - [ |
|
40 | - 'name' => 'Settings#autoAddServers', |
|
41 | - 'url' => '/auto-add-servers', |
|
42 | - 'verb' => 'POST' |
|
43 | - ], |
|
44 | - ], |
|
45 | - 'ocs' => [ |
|
46 | - // old endpoints, only used by Nextcloud and ownCloud |
|
47 | - [ |
|
48 | - 'name' => 'OCSAuthAPI#getSharedSecretLegacy', |
|
49 | - 'url' => '/api/v1/shared-secret', |
|
50 | - 'verb' => 'GET', |
|
51 | - ], |
|
52 | - [ |
|
53 | - 'name' => 'OCSAuthAPI#requestSharedSecretLegacy', |
|
54 | - 'url' => '/api/v1/request-shared-secret', |
|
55 | - 'verb' => 'POST', |
|
56 | - ], |
|
57 | - // new endpoints, published as public api |
|
58 | - [ |
|
59 | - 'name' => 'OCSAuthAPI#getSharedSecret', |
|
60 | - 'root' => '/cloud', |
|
61 | - 'url' => '/shared-secret', |
|
62 | - 'verb' => 'GET', |
|
63 | - ], |
|
64 | - [ |
|
65 | - 'name' => 'OCSAuthAPI#requestSharedSecret', |
|
66 | - 'root' => '/cloud', |
|
67 | - 'url' => '/shared-secret', |
|
68 | - 'verb' => 'POST', |
|
69 | - ], |
|
70 | - ], |
|
71 | - ] |
|
26 | + $this, |
|
27 | + [ |
|
28 | + 'routes' => [ |
|
29 | + [ |
|
30 | + 'name' => 'Settings#addServer', |
|
31 | + 'url' => '/trusted-servers', |
|
32 | + 'verb' => 'POST' |
|
33 | + ], |
|
34 | + [ |
|
35 | + 'name' => 'Settings#removeServer', |
|
36 | + 'url' => '/trusted-servers/{id}', |
|
37 | + 'verb' => 'DELETE' |
|
38 | + ], |
|
39 | + [ |
|
40 | + 'name' => 'Settings#autoAddServers', |
|
41 | + 'url' => '/auto-add-servers', |
|
42 | + 'verb' => 'POST' |
|
43 | + ], |
|
44 | + ], |
|
45 | + 'ocs' => [ |
|
46 | + // old endpoints, only used by Nextcloud and ownCloud |
|
47 | + [ |
|
48 | + 'name' => 'OCSAuthAPI#getSharedSecretLegacy', |
|
49 | + 'url' => '/api/v1/shared-secret', |
|
50 | + 'verb' => 'GET', |
|
51 | + ], |
|
52 | + [ |
|
53 | + 'name' => 'OCSAuthAPI#requestSharedSecretLegacy', |
|
54 | + 'url' => '/api/v1/request-shared-secret', |
|
55 | + 'verb' => 'POST', |
|
56 | + ], |
|
57 | + // new endpoints, published as public api |
|
58 | + [ |
|
59 | + 'name' => 'OCSAuthAPI#getSharedSecret', |
|
60 | + 'root' => '/cloud', |
|
61 | + 'url' => '/shared-secret', |
|
62 | + 'verb' => 'GET', |
|
63 | + ], |
|
64 | + [ |
|
65 | + 'name' => 'OCSAuthAPI#requestSharedSecret', |
|
66 | + 'root' => '/cloud', |
|
67 | + 'url' => '/shared-secret', |
|
68 | + 'verb' => 'POST', |
|
69 | + ], |
|
70 | + ], |
|
71 | + ] |
|
72 | 72 | ); |