Function parse_xcap_uri

modules/xcap/uri.c:31–111

int parse_xcap_uri(const str *uri, xcap_uri_t *xcap_uri)
{
    char *ns_ptr, *tree_ptr, *tmp;
    str unescaped_uri;

    if (uri == NULL || uri->s == NULL ||xcap_uri == NULL) {
        return -1;
    }

    if (uri->len > MAX_URI_SIZE-1) {
        LM_ERR("XCAP URI is too long\n");
        return -1;
    }

    memset(xcap_uri, 0, sizeof(xcap_uri_t));

    unescaped_uri.s = xcap_uri->buf;
    if (un_escape((str *)uri, &unescaped_uri) < 0) {
        LM_ERR("Error un-escaping XCAP URI\n");
        return -1;
    }
    xcap_uri->buf[uri->len] = '\0';

    xcap_uri->uri.s = xcap_uri->buf;
    xcap_uri->uri.len = uri->len;

    /* selector */
    if ((ns_ptr = strstr(xcap_uri->uri.s, "/~~/"))) {
        xcap_uri->selector.s = ns_ptr+3;
        xcap_uri->selector.len = xcap_uri->uri.s+xcap_uri->uri.len - xcap_uri->selector.s;
    }

    /* tree */
    if ((tree_ptr = strstr(xcap_uri->uri.s, "/global/"))) {
        xcap_uri->tree.s = tree_ptr+1;
        xcap_uri->tree.len = 6;
    } else if ((tree_ptr = strstr(xcap_uri->uri.s, "/users/"))) {
        xcap_uri->tree.s = tree_ptr+1;
        xcap_uri->tree.len = 5;
    } else {
        LM_ERR("Unknown XCAP URI tree\n");
        return -1;
    }

    /* AUID */
    tmp = tree_ptr-1;
    while (tmp > xcap_uri->uri.s) {
        if (tmp[0] == '/')
            break;
        tmp--;
    }
    if (tmp < xcap_uri->uri.s) {
        LM_ERR("Error parsing AUID\n");
        return -1;
    }
    xcap_uri->auid.s = tmp+1;
    xcap_uri->auid.len = tree_ptr-1 - tmp;