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/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */

#include "imap-common.h"
#include "str.h"
#include "imap-commands.h"
#include "imap-quote.h"
#include "imap-urlauth.h"

bool cmd_genurlauth(struct client_command_context *cmd)
{
    const struct imap_arg *args;
    string_t *response;
    int ret;

    if (cmd->client->urlauth_ctx == NULL) {
        client_send_command_error(cmd, "URLAUTH disabled.");
        return TRUE;
    }

    if (!client_read_args(cmd, 0, 0, &args))
        return FALSE;

    response = t_str_new(1024);
    str_append(response, "* GENURLAUTH");
    for (;;) {
        const char *url_rump, *mechanism, *url, *error;

        if (IMAP_ARG_IS_EOL(args))
            break;
        if (!imap_arg_get_astring(args++, &url_rump) ||
            !imap_arg_get_atom(args++, &mechanism)) {
            client_send_command_error(cmd, "Invalid arguments.");
            return FALSE;
        }

        ret = imap_urlauth_generate(cmd->client->urlauth_ctx,
                        mechanism, url_rump, &url, &error);
        if (ret <= 0) {
            if (ret < 0)
                client_send_internal_error(cmd);
            else
                client_send_command_error(cmd, error);
            return TRUE;
        }

        str_append_c(response, ' ');
        imap_append_astring(response, url);
    }

    client_send_line(cmd->client, str_c(response));
    client_send_tagline(cmd, "OK GENURLAUTH completed.");
    return TRUE;
}