|
5 | 5 | $fallbackBinding = getenv('SIMPLESAMLPHP_IDP_DEFAULT_BINDING'); |
6 | 6 |
|
7 | 7 | $bindings = [ |
8 | | - 'SIMPLESAMLPHP_IDP_HTTP_POST_BINDING' => $fallbackBinding, |
9 | | - 'SIMPLESAMLPHP_IDP_HTTP_REDIRECT_BINDING' => $fallbackBinding, |
10 | | - 'SIMPLESAMLPHP_IDP_SOAP_BINDING' => $fallbackBinding, |
11 | | - 'SIMPLESAMLPHP_IDP_HTTP_ARTIFACT' => $fallbackBinding, |
| 8 | + 'SIMPLESAMLPHP_IDP_HTTP_POST_BINDING' => $fallbackBinding, |
| 9 | + 'SIMPLESAMLPHP_IDP_HTTP_REDIRECT_BINDING' => $fallbackBinding, |
| 10 | + 'SIMPLESAMLPHP_IDP_SOAP_BINDING' => $fallbackBinding, |
| 11 | + 'SIMPLESAMLPHP_IDP_HTTP_ARTIFACT' => $fallbackBinding, |
| 12 | + 'SIMPLESAMLPHP_IDP_LOGOUT_HTTP_POST_BINDING' => $fallbackBinding, |
| 13 | + 'SIMPLESAMLPHP_IDP_LOGOUT_HTTP_REDIRECT_BINDING' => $fallbackBinding, |
| 14 | + 'SIMPLESAMLPHP_IDP_LOGOUT_SOAP_BINDING' => $fallbackBinding, |
| 15 | + 'SIMPLESAMLPHP_IDP_LOGOUT_HTTP_ARTIFACT' => $fallbackBinding |
12 | 16 | ]; |
13 | 17 |
|
| 18 | +// Override fallback binding if env variable value is present. |
14 | 19 | foreach ($bindings as $binding => $fallback) { |
15 | | - $envVar = getenv($binding); |
16 | | - if (empty($envVar)) { |
17 | | - $bindings[$binding] = str_starts_with($fallback, 'http') ? $fallback : $idpBaseURL . $fallback; |
18 | | - continue; |
19 | | - } |
20 | | - $bindings[$binding] = str_starts_with($envVar, 'http') ? $envVar : $idpBaseURL . $envVar; |
| 20 | + $envVar = getenv($binding); |
| 21 | + |
| 22 | + // Apply special logic for logout bindings. |
| 23 | + if (strpos($binding, 'LOGOUT') !== false) { |
| 24 | + if (empty($envVar)) { |
| 25 | + // Try fallback to the corresponding non-logout binding first. |
| 26 | + $envVar = getenv(str_replace('LOGOUT', '', $binding)) ?: $fallback; |
| 27 | + } |
| 28 | + } |
| 29 | + |
| 30 | + // Fallback to the base URL if needed. |
| 31 | + $bindings[$binding] = str_starts_with($envVar, 'http') ? $envVar : $idpBaseURL . $envVar; |
21 | 32 | } |
22 | 33 |
|
23 | 34 | $metadata[$idpEntityId] = [ |
|
46 | 57 | 'SingleLogoutService' => [ |
47 | 58 | [ |
48 | 59 | 'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST', |
49 | | - 'Location' => $bindings['SIMPLESAMLPHP_IDP_HTTP_POST_BINDING'], |
| 60 | + 'Location' => $bindings['SIMPLESAMLPHP_IDP_LOGOUT_HTTP_POST_BINDING'], |
50 | 61 | ], |
51 | 62 | [ |
52 | 63 | 'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect', |
53 | | - 'Location' => $bindings['SIMPLESAMLPHP_IDP_HTTP_REDIRECT_BINDING'], |
| 64 | + 'Location' => $bindings['SIMPLESAMLPHP_IDP_LOGOUT_HTTP_REDIRECT_BINDING'], |
54 | 65 | ], |
55 | 66 | [ |
56 | 67 | 'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact', |
57 | | - 'Location' => $bindings['SIMPLESAMLPHP_IDP_HTTP_ARTIFACT'], |
| 68 | + 'Location' => $bindings['SIMPLESAMLPHP_IDP_LOGOUT_HTTP_ARTIFACT'], |
58 | 69 | ], |
59 | 70 | [ |
60 | 71 | 'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:SOAP', |
61 | | - 'Location' => $bindings['SIMPLESAMLPHP_IDP_SOAP_BINDING'], |
| 72 | + 'Location' => $bindings['SIMPLESAMLPHP_IDP_LOGOUT_SOAP_BINDING'], |
62 | 73 | ], |
63 | 74 | ], |
64 | 75 | 'ArtifactResolutionService' => [ |
|
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