src/auth/passdb-oauth2.c

/* Copyright (c) 2017-2018 Dovecot authors, see the included COPYING file */

#include "auth-common.h"
#include "passdb.h"
#include "db-oauth2.h"

struct oauth2_passdb_module {
    struct passdb_module module;
    struct db_oauth2 *db;
};

static void
oauth2_verify_plain_continue(struct db_oauth2_request *req,
                 enum passdb_result result, const char *error,
                 struct auth_request *request)
{
    if (result == PASSDB_RESULT_INTERNAL_FAILURE)
        auth_request_log_error(request, AUTH_SUBSYS_DB, "oauth2 failed: %s",
                       error);
    else if (result != PASSDB_RESULT_OK)
        auth_request_log_info(request, AUTH_SUBSYS_DB, "oauth2 failed: %s",
                      error);
    req->verify_callback(result, request);
    auth_request_unref(&request);
}

static void
oauth2_verify_plain(struct auth_request *request, const char *password,
            verify_plain_callback_t *callback)
{
    struct oauth2_passdb_module *module =
        (struct oauth2_passdb_module *)request->passdb->passdb;
    struct db_oauth2_request *req =
        p_new(request->pool, struct db_oauth2_request, 1);
    req->pool = request->pool;
    req->verify_callback = callback;

    auth_request_ref(request);

    db_oauth2_lookup(module->db, req, password, request, oauth2_verify_plain_continue, request);
}

static struct passdb_module *
oauth2_preinit(pool_t pool, const char *args)
{
    struct oauth2_passdb_module *module;

    module = p_new(pool, struct oauth2_passdb_module, 1);
    module->db = db_oauth2_init(args);
    return &module->module;
}

static void oauth2_deinit(struct passdb_module *passdb)
{
    struct oauth2_passdb_module *module = (struct oauth2_passdb_module *)passdb;
    db_oauth2_unref(&module->db);
}

struct passdb_module_interface passdb_oauth2 = {
    "oauth2",

    oauth2_preinit,
    NULL,
    oauth2_deinit,

    oauth2_verify_plain,
    NULL,
    NULL
};