forked from Telodendria/Telodendria
146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/*
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* Copyright (C) 2022-2023 Jordan Bancino <@jordan:bancino.net>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <UserInteractiveAuth.h>
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#include <Json.h>
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#include <Str.h>
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#include <Matrix.h>
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#include <string.h>
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static HashMap *
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BuildDummyFlow(void)
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{
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HashMap *response = HashMapCreate();
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HashMap *dummyFlow = HashMapCreate();
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Array *stages = ArrayCreate();
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Array *flows = ArrayCreate();
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ArrayAdd(stages,
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JsonValueString(StrDuplicate("m.login.dummy")));
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HashMapSet(dummyFlow, "stages", JsonValueArray(stages));
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ArrayAdd(flows, JsonValueObject(dummyFlow));
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HashMapSet(response, "flows", JsonValueArray(flows));
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HashMapSet(response, "params",
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JsonValueObject(HashMapCreate()));
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return response;
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}
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HashMap *
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UserInteractiveAuth(HttpServerContext * context, Db * db,
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HashMap * request)
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{
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JsonValue *auth;
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JsonValue *type;
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JsonValue *session;
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HashMap *authObj;
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char *typeStr;
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char *sessionStr;
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DbRef *ref;
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auth = HashMapGet(request, "auth");
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if (!auth)
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{
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HashMap *response = NULL;
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HashMap *persist;
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char *session = StrRandom(24);
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ref = DbLock(db, 1, "user_interactive");
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if (!ref)
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{
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ref = DbCreate(db, 1, "user_interactive");
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}
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persist = DbJson(ref);
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HashMapSet(persist, session, JsonValueNull());
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DbUnlock(db, ref);
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HttpResponseStatus(context, HTTP_UNAUTHORIZED);
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response = BuildDummyFlow();
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HashMapSet(response, "session",
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JsonValueString(StrDuplicate(session)));
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return response;
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}
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if (JsonValueType(auth) != JSON_OBJECT)
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{
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HttpResponseStatus(context, HTTP_BAD_REQUEST);
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return MatrixErrorCreate(M_BAD_JSON);
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}
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authObj = JsonValueAsObject(auth);
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type = HashMapGet(authObj, "type");
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session = HashMapGet(authObj, "session");
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if (!type || JsonValueType(type) != JSON_STRING)
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{
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HttpResponseStatus(context, HTTP_BAD_REQUEST);
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return MatrixErrorCreate(M_BAD_JSON);
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}
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if (!session || JsonValueType(session) != JSON_STRING)
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{
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HttpResponseStatus(context, HTTP_UNAUTHORIZED);
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return BuildDummyFlow();
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}
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typeStr = JsonValueAsString(type);
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sessionStr = JsonValueAsString(session);
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if (strcmp(typeStr, "m.login.dummy") != 0)
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{
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HttpResponseStatus(context, HTTP_BAD_REQUEST);
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return MatrixErrorCreate(M_INVALID_PARAM);
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}
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ref = DbLock(db, 1, "user_interactive");
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/* Check to see if session exists */
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if (!ref || !HashMapGet(DbJson(ref), sessionStr))
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{
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HttpResponseStatus(context, HTTP_BAD_REQUEST);
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return MatrixErrorCreate(M_UNKNOWN);
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}
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/* We only need to know that it exists. */
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DbUnlock(db, ref);
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return NULL; /* All good, auth successful */
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}
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void
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UserInteractiveAuthCleanup(MatrixHttpHandlerArgs * args)
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{
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Log(args->lc, LOG_DEBUG, "Purging old user interactive auth sessions...");
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if (!DbDelete(args->db, 1, "user_interactive"))
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{
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Log(args->lc, LOG_ERR, "Failed to purge user_interactive.");
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}
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}
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