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| 1 | +digraph oauthlib { |
| 2 | + center="1" |
| 3 | + edge [ style=bold ]; |
| 4 | + |
| 5 | + /* Web Framework Entry and Exit points */ |
| 6 | + { |
| 7 | + node [ shape=hexagon ]; |
| 8 | + edge [ style=normal ]; |
| 9 | + |
| 10 | + webapi_request [ label="WebFramework\nHTTP request" ]; |
| 11 | + webapi_request:s -> |
| 12 | + endpoint_authorize:top:n, |
| 13 | + endpoint_token:top:n, |
| 14 | + endpoint_introspect:top:n, |
| 15 | + endpoint_revoke:top:n, |
| 16 | + endpoint_resource:top:n; |
| 17 | + webapi_response [ label="WebFramework\nHTTP response" ]; |
| 18 | + } |
| 19 | + |
| 20 | + /* OAuthlib Endpoints */ |
| 21 | + { |
| 22 | + rank=same; |
| 23 | + |
| 24 | + endpoint_authorize [ shape=record; label="{<top>Authorize Endpoint|{create_authorize_response|{uri|method|body|headers|credentials}}|{<token>token|<code>code}}" ]; |
| 25 | + endpoint_token [ shape=record; label="{<top>Token Endpoint|{create_token_response|{uri|method|body|headers|credentials}}|{<authorization_code>authorization_code|<password>password|<client_credentials>client_credentials|<refresh_token>refresh_token}}" ]; |
| 26 | + endpoint_revoke [ shape=record; label="{<top>Revocation Endpoint|{create_revocation_response|{uri|method|body|headers}}}" ]; |
| 27 | + endpoint_introspect [ shape=record; label="{<top>Introspect Endpoint|{create_introspect_response|{uri|method|body|headers}}}" ]; |
| 28 | + endpoint_resource [ shape=record; label="{<top>Resource Endpoint|{verify_request|{uri|method|body|headers|scopes_list}}}" ]; |
| 29 | + } |
| 30 | + |
| 31 | + /* OAuthlib RequestValidator Methods */ |
| 32 | + { |
| 33 | + node [ shape=record ]; |
| 34 | + |
| 35 | + f_client_authentication_required [ label="{{<top>client_authentication_required|request}|{<true>True|<false>False}}"; ]; |
| 36 | + f_authenticate_client [ label="{{<top>authenticate_client|request}|{<true>True|<false>False}}";]; |
| 37 | + f_authenticate_client_id [ label="{{<top>authenticate_client_id|{client_id|request}}|{<true>True|<false>False}}"; ]; |
| 38 | + f_validate_grant_type [ label="{{<top>validate_grant_type|{client_id|grant_type|client|request}}|{<true>True|<false>False}}"; ]; |
| 39 | + f_validate_code [ label="{{<top>validate_code|{client_id|code|request}}|{<true>True|<false>False}}"; ]; |
| 40 | + f_confirm_redirect_uri [ label="{{<top>confirm_redirect_uri|{client_id|code|redirect_uri|client|request}}|{<true>True|<false>False}}"; ]; |
| 41 | + f_get_default_redirect_uri [ label="{{<top>get_default_redirect_uri|{client_id|request}}|{<redirect_uri>redirect_uri|<none>None}}"; ]; |
| 42 | + f_invalidate_authorization_code [ label="{{<top>invalidate_authorization_code|{client_id|code|request}}|None}"; ]; |
| 43 | + f_validate_scopes [ label="{{<top>validate_scopes|{client_id|scopes|client|request}}|{<true>True|<false>False}}"; ]; |
| 44 | + f_save_bearer_token [ label="{{<top>save_bearer_token|{token|request}}|None}"; ]; |
| 45 | + f_revoke_token [ label="{{<top>revoke_token|{token|token_type_hint|request}}|None}"; ]; |
| 46 | + f_validate_client_id [ label="{{<top>validate_client_id|{client_id|request}}|{<true>True|<false>False}}"; ]; |
| 47 | + f_validate_redirect_uri [ label="{{<top>validate_redirect_uri|{client_id|redirect_uri|request}}|{<true>True|<false>False}}"; ]; |
| 48 | + f_is_pkce_required [ label="{{<top>is_pkce_required|{client_id|request}}|{<true>True|<false>False}}"; ]; |
| 49 | + f_validate_response_type [ label="{{<top>validate_response_type|{client_id|response_type|client|request}}|{<true>True|<false>False}}"; ]; |
| 50 | + f_save_authorization_code [ label="{{<top>save_authorization_code|{client_id|code|request}}|None}"; ]; |
| 51 | + f_validate_bearer_token [ label="{{<top>validate_bearer_token|{token|scopes|request}}|{<true>True|<false>False}}"; ]; |
| 52 | + f_validate_refresh_token [ label="{{<top>validate_refresh_token|{refresh_token|client|request}}|{<true>True|<false>False}}"; ]; |
| 53 | + f_get_default_scopes [ label="{{<top>get_default_scopes|{client_id|request}}|{<scopes>[scopes]}}"; ]; |
| 54 | + f_get_original_scopes [ label="{{<top>get_original_scopes|{refresh_token|request}}|{<scopes>[scopes]}}"; ]; |
| 55 | + f_is_within_original_scope [ label="{{<top>is_within_original_scope|{refresh_scopes|refresh_token|request}}|{<true>True|<false>False}}"; ]; |
| 56 | + f_validate_user [ label="{{<top>validate_user|{username|password|client|request}}|{<true>True|<false>False}}"; ]; |
| 57 | + f_introspect_token [ label="{{<top>introspect_token|{token|token_type_hint|request}}|{<claims>\{claims\}|<none>None}}"; ]; |
| 58 | + } |
| 59 | + |
| 60 | + /* OAuthlib Conditions */ |
| 61 | + |
| 62 | + if_code_challenge [ label="if code_challenge"; ]; |
| 63 | + if_redirect_uri [ label="if redirect_uri"; ]; |
| 64 | + if_redirect_uri_present [ shape=none;label="present"; ]; |
| 65 | + if_redirect_uri_missing [ shape=none;label="missing"; ]; |
| 66 | + if_scopes [ label="if scopes"; ]; |
| 67 | + if_all [ label="all(request_scopes not in scopes)"; ]; |
| 68 | + |
| 69 | + /* OAuthlib errors */ |
| 70 | + e_normal [ shape=none,label="ERROR" ]; |
| 71 | + |
| 72 | + /* Authorization Code - Access Token Request */ |
| 73 | + { |
| 74 | + edge [ color=green ]; |
| 75 | + |
| 76 | + endpoint_token:authorization_code:s -> f_client_authentication_required; |
| 77 | + f_client_authentication_required:true:s -> f_authenticate_client; |
| 78 | + f_client_authentication_required:false -> f_authenticate_client_id; |
| 79 | + f_authenticate_client:true:s -> f_validate_grant_type; |
| 80 | + f_authenticate_client_id:true:s -> f_validate_grant_type; |
| 81 | + f_validate_grant_type:true:s -> f_validate_code; |
| 82 | + |
| 83 | + f_validate_code:true:s -> if_redirect_uri; |
| 84 | + if_redirect_uri -> if_redirect_uri_present [ arrowhead=none ]; |
| 85 | + if_redirect_uri -> if_redirect_uri_missing [ arrowhead=none ]; |
| 86 | + if_redirect_uri_present -> f_confirm_redirect_uri; |
| 87 | + if_redirect_uri_missing -> f_get_default_redirect_uri; |
| 88 | + |
| 89 | + f_confirm_redirect_uri:true:s -> f_save_bearer_token; |
| 90 | + f_get_default_redirect_uri -> f_save_bearer_token; |
| 91 | + |
| 92 | + f_save_bearer_token -> f_invalidate_authorization_code; |
| 93 | + f_invalidate_authorization_code -> webapi_response; |
| 94 | + } |
| 95 | + /* Authorization Code - Authorization Request */ |
| 96 | + { |
| 97 | + edge [ color=darkgreen ]; |
| 98 | + |
| 99 | + endpoint_authorize:code:s -> f_validate_client_id; |
| 100 | + f_validate_client_id:true:s -> if_redirect_uri; |
| 101 | + if_redirect_uri -> if_redirect_uri_present [ arrowhead=none ]; |
| 102 | + if_redirect_uri -> if_redirect_uri_missing [ arrowhead=none ]; |
| 103 | + if_redirect_uri_present -> f_validate_redirect_uri; |
| 104 | + if_redirect_uri_missing -> f_get_default_redirect_uri; |
| 105 | + |
| 106 | + f_validate_redirect_uri:true:s -> f_validate_response_type; |
| 107 | + f_get_default_redirect_uri -> f_validate_response_type; |
| 108 | + f_validate_response_type:true:s -> f_is_pkce_required; |
| 109 | + f_is_pkce_required:true:s -> if_code_challenge; |
| 110 | + f_is_pkce_required:false -> f_validate_scopes; |
| 111 | + |
| 112 | + if_code_challenge -> f_validate_scopes [ label="present" ]; |
| 113 | + if_code_challenge -> e_normal [ label="missing" ]; |
| 114 | + |
| 115 | + f_validate_scopes:true:s -> f_save_authorization_code; |
| 116 | + } |
| 117 | + |
| 118 | + /* Implicit */ |
| 119 | + { |
| 120 | + edge [ color=orange ]; |
| 121 | + |
| 122 | + endpoint_authorize:token:s -> f_validate_client_id; |
| 123 | + f_validate_client_id:true:s -> if_redirect_uri; |
| 124 | + if_redirect_uri -> if_redirect_uri_present [ arrowhead=none ]; |
| 125 | + if_redirect_uri -> if_redirect_uri_missing [ arrowhead=none ]; |
| 126 | + if_redirect_uri_present -> f_validate_redirect_uri; |
| 127 | + if_redirect_uri_missing -> f_get_default_redirect_uri; |
| 128 | + |
| 129 | + f_validate_redirect_uri:true:s -> f_validate_response_type; |
| 130 | + f_get_default_redirect_uri -> f_validate_response_type; |
| 131 | + f_validate_response_type:true:s -> f_validate_scopes; |
| 132 | + f_validate_scopes:true:s -> f_save_bearer_token; |
| 133 | + } |
| 134 | + |
| 135 | + /* Resource Owner Password Grant */ |
| 136 | + { |
| 137 | + edge [ color=red ]; |
| 138 | + |
| 139 | + endpoint_token:password:s -> f_client_authentication_required; |
| 140 | + f_client_authentication_required:true:s -> f_authenticate_client; |
| 141 | + f_client_authentication_required:false -> f_authenticate_client_id; |
| 142 | + f_authenticate_client:true:s -> f_validate_user; |
| 143 | + f_authenticate_client_id:true:s -> f_validate_user; |
| 144 | + f_validate_user:true:s -> f_validate_grant_type; |
| 145 | + |
| 146 | + f_validate_grant_type:true:s -> if_scopes; |
| 147 | + if_scopes -> f_validate_scopes [ label="present" ]; |
| 148 | + if_scopes -> f_get_default_scopes [ label="missing" ]; |
| 149 | + |
| 150 | + f_validate_scopes:true:s -> f_save_bearer_token; |
| 151 | + f_get_default_scopes -> f_save_bearer_token; |
| 152 | + f_save_bearer_token -> webapi_response; |
| 153 | + } |
| 154 | + |
| 155 | + /* Client Credentials Grant */ |
| 156 | + { |
| 157 | + edge [ color=blue ]; |
| 158 | + |
| 159 | + endpoint_token:client_credentials:s -> f_authenticate_client; |
| 160 | + f_authenticate_client -> f_validate_grant_type; |
| 161 | + f_validate_grant_type:true:s -> f_validate_scopes; |
| 162 | + f_validate_scopes:true:s -> f_save_bearer_token; |
| 163 | + f_save_bearer_token -> webapi_response; |
| 164 | + } |
| 165 | + |
| 166 | + /* Refresh Grant */ |
| 167 | + { |
| 168 | + edge [ color=brown ]; |
| 169 | + |
| 170 | + endpoint_token:refresh_token:s -> f_client_authentication_required; |
| 171 | + f_client_authentication_required:true:s -> f_authenticate_client; |
| 172 | + f_client_authentication_required:false -> f_authenticate_client_id; |
| 173 | + f_authenticate_client:true:s -> f_validate_grant_type; |
| 174 | + f_authenticate_client_id:true:s -> f_validate_grant_type; |
| 175 | + f_validate_grant_type:true:s -> f_validate_refresh_token; |
| 176 | + f_validate_refresh_token:true:s -> f_get_original_scopes; |
| 177 | + f_get_original_scopes -> if_all; |
| 178 | + if_all -> f_is_within_original_scope [ label="True" ]; |
| 179 | + if_all -> f_save_bearer_token [ label="False" ]; |
| 180 | + f_is_within_original_scope:true:s -> f_save_bearer_token; |
| 181 | + f_save_bearer_token -> webapi_response; |
| 182 | + } |
| 183 | + |
| 184 | + /* Introspect Endpoint */ |
| 185 | + { |
| 186 | + edge [ color=yellow ]; |
| 187 | + |
| 188 | + endpoint_introspect:s -> f_client_authentication_required [ label="" ]; |
| 189 | + f_client_authentication_required:true:s -> f_authenticate_client; |
| 190 | + f_client_authentication_required:false -> f_authenticate_client_id; |
| 191 | + f_authenticate_client:true:s -> f_introspect_token; |
| 192 | + f_authenticate_client_id:true:s -> f_introspect_token; |
| 193 | + f_introspect_token:claims -> webapi_response; |
| 194 | + } |
| 195 | + |
| 196 | + /* Revocation Endpoint */ |
| 197 | + { |
| 198 | + edge [ color=purple ]; |
| 199 | + |
| 200 | + endpoint_revoke:s -> f_client_authentication_required; |
| 201 | + f_client_authentication_required:true:s -> f_authenticate_client; |
| 202 | + f_client_authentication_required:false -> f_authenticate_client_id; |
| 203 | + f_authenticate_client:true:s -> f_revoke_token; |
| 204 | + f_authenticate_client_id:true:s -> f_revoke_token; |
| 205 | + f_revoke_token:s -> webapi_response; |
| 206 | + } |
| 207 | + |
| 208 | + /* Resource Access - Verify Request */ |
| 209 | + { |
| 210 | + edge [ color=pink ]; |
| 211 | + |
| 212 | + endpoint_resource:s -> f_validate_bearer_token; |
| 213 | + f_validate_bearer_token:true -> webapi_response; |
| 214 | + } |
| 215 | +} |
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