. // PHP interfaces to some of BOINC's Web RPCs // // This file is free-standing; it doesn't include other BOINC PHP files // my PHP currently doesn't support file_get_contents(https://...) // so do it with Curl // function fetch_url($url) { if (0) { return file_get_contents($url); } else { $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, 0); $x = curl_exec($ch); curl_close($ch); //echo "curl return: $x\n"; return $x; } } function lookup_account( $project_url, $email_addr, $passwd_hash ) { $url = $project_url."/lookup_account.php?email_addr=".urlencode($email_addr)."&passwd_hash=$passwd_hash"; $reply = fetch_url($url); if (!$reply) { return array(null, -1, "HTTP error to $url"); } $r = @simplexml_load_string($reply); if (!$r) { return array(null, -1, "Can't parse reply XML:\n$reply"); } $auth = (string)$r->authenticator; if ($auth) { return array($auth, 0, null); } else { return array(null, (int)$r->error_num, (string)$r->error_msg); } } // return (authenticator, errno, errmsg) // function create_account( $project_url, $email_addr, $passwd_hash, $user_name ) { $url = $project_url."/create_account.php?email_addr=".urlencode($email_addr)."&passwd_hash=$passwd_hash&user_name=".urlencode($user_name); $reply = fetch_url($url); if (!$reply) return array(null, -1, "HTTP error to $url"); $r = @simplexml_load_string($reply); if (!$r) { // old server code returns PHP warnings, which break XML. // do ad-hoc parsing instead // $auth = parse_element($reply, ""); if ($auth) { return array($auth, 0, null); } $error_num = parse_element($reply, ""); $error_msg = parse_element($reply, ""); if ($error_num) { return array(null, $error_num, $error_msg); } return array(null, -1, "Can't parse reply XML:\n$reply"); } $auth = (string)$r->authenticator; if ($auth) { return array($auth, 0, null); } else { return array(null, (int)$r->error_num, (string)$r->error_msg); } } // Get info needed to show Download buttons // that auto-attach to a particular project or account manager. // // args: // $project_url: the URL of the project or account manager // $rpc_key: a security token supplied by the above // $auth: the authenticator of the account to auto-attach to // $user_agent: the user agent string supplied by user's browser // This indicates what kind of computer they're on. // // return: (parsed XML reply, errno, errmsg) // function download_software($project_url, $rpc_key, $auth, $user_agent) { $url = sprintf( '%s/download_software.php?action=get_info&rpc_key=%s&auth=%s&user_agent=%s', $project_url, $rpc_key, $auth, urlencode($user_agent) ); $reply = fetch_url($url); if (!$reply) return array(null, -1, "HTTP error to $url"); $r = @simplexml_load_string($reply); if (!$r) { return array(null, -1, "Can't parse reply XML:\n$reply"); } if ((int)$r->error_num) { return array(null, (int)$r->error_num, (string)$r->error_msg); } return array($r, 0, null); } if (1) { // Example usage of download_software(). // Show a download button, which when clicked will download a // BOINC client that auto-attaches to a particular account // // Adapt to your web site. The following assumes Bootstrap. // function show_download_button($info, $is_vbox) { $desc = $is_vbox?$info->boinc_vbox:$info->boinc; echo sprintf('

Download BOINC%s
for %s (%s MB) ', (int)$info->project_id, (string)$info->token, (int)$info->user_id, (string)$desc->filename, $is_vbox?" + VirtualBox":"", (string)$info->platform, (string)$desc->size_mb ); if ($is_vbox) { echo sprintf('
BOINC %s, VirtualBox %s ', (string)$desc->boinc_version, (string)$desc->vbox_version ); } else { echo sprintf('
BOINC %s ', (string)$desc->boinc_version ); } echo '

'; } echo "If BOINC is already installed on this computer, go here; otherwise: "; list($info, $errno, $errmsg) = download_software( "https://boinc.berkeley.edu/test", "xxx", "xxx", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:47.0)" ); if ($errno) { echo "Go here to download BOINC, then attach to target_project "; } else { if ($info->boinc_vbox) { show_download_button($info, true); } show_download_button($info, false); } } if (0) { $x = create_account( "http://foo.bar.com/test/", "john@a.b.c", "12345678901234567890123456789012", "John Doe" ); print_r($x); } if (0) { $x = lookup_account( "http://foo.bar.com/test/", "john@a.b.c", "xxx" ); print_r($x); } ?>