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- #!/usr/bin/env php
- <?php
- /*
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2009, StatusNet, Inc.
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
- // Abort if called from a web server
- define('INSTALLDIR', dirname(__DIR__));
- define('PUBLICDIR', INSTALLDIR . DIRECTORY_SEPARATOR . 'public');
- $helptext = <<<ENDOFHELP
- console.php - provide an interactive PHP interpreter for testing
- ENDOFHELP;
- require_once INSTALLDIR.'/scripts/commandline.inc';
- // Assume we're on a terminal if on Windows, otherwise posix_isatty tells us.
- define('CONSOLE_INTERACTIVE', !function_exists('posix_isatty') || posix_isatty(0));
- define('CONSOLE_READLINE', CONSOLE_INTERACTIVE && function_exists('readline'));
- if (CONSOLE_READLINE && CONSOLE_INTERACTIVE) {
- define('CONSOLE_HISTORY', getenv("HOME") . "/.statusnet_console_history");
- if (file_exists(CONSOLE_HISTORY)) {
- readline_read_history(CONSOLE_HISTORY);
- }
- }
- function read_input_line($prompt)
- {
- if (CONSOLE_INTERACTIVE) {
- if (CONSOLE_READLINE) {
- $line = readline($prompt);
- if (trim($line) != '') {
- readline_add_history($line);
- if (defined('CONSOLE_HISTORY')) {
- // Save often; it's easy to hit fatal errors.
- readline_write_history(CONSOLE_HISTORY);
- }
- }
- return $line;
- } else {
- return readline_emulation($prompt);
- }
- } else {
- return fgets(STDIN);
- }
- }
- /**
- * On Unix-like systems where PHP readline extension isn't present,
- * -cough- Mac OS X -cough- we can shell out to bash to do it for us.
- * This lets us at least handle things like arrow keys, but we don't
- * get any entry history. :(
- *
- * Shamelessly ripped from when I wrote the same code for MediaWiki. :)
- * @author Brion Vibber <brion@status.net>
- *
- * @param string $prompt
- * @return mixed string on success, false on fail or EOF
- */
- function readline_emulation($prompt)
- {
- if (CONSOLE_INTERACTIVE && file_exists(trim(shell_exec('which bash')))) {
- $encPrompt = escapeshellarg($prompt);
- $command = "read -er -p $encPrompt && echo \"\$REPLY\"";
- $encCommand = escapeshellarg($command);
- $metaCommand = "bash -c $encCommand";
- // passthru passes our STDIN and TTY to the child...
- // We can pull the returned string via output buffering.
- ob_start();
- $retval = false;
- passthru($metaCommand, $retval);
- $line = ob_get_contents();
- ob_end_clean();
- if ($retval == 0) {
- return $line;
- } elseif ($retval == 127) {
- // Couldn't execute bash even though we thought we saw it.
- // Shell probably spit out an error message, sorry :(
- // Fall through to fgets()...
- } else {
- // EOF/ctrl+D
- return false;
- }
- }
- // Fallback... we'll have no editing controls, EWWW
- if (feof(STDIN)) {
- return false;
- }
- if (CONSOLE_INTERACTIVE) {
- print $prompt;
- }
- return fgets(STDIN);
- }
- function console_help()
- {
- print "Welcome to GNU social's interactive PHP console!\n";
- print "Type some PHP code and it'll execute...\n";
- print "\n";
- print "Hint: return a value of any type to output it via var_export():\n";
- print " \$profile = new Profile();\n";
- print " \$profile->find();\n";
- print " \$profile->fetch();\n";
- print " return \$profile;\n";
- print "\n";
- print "Note that PHP is cranky and you can easily kill your session by mistyping.\n";
- print "\n";
- print "Type ctrl+D or enter 'exit' to exit.\n";
- }
- if (CONSOLE_INTERACTIVE) {
- print "GNU social interactive PHP console... type ctrl+D or enter 'exit' to exit.\n";
- $prompt = common_slugify(common_config('site', 'name')) . '> ';
- } else {
- $prompt = '';
- }
- while (!feof(STDIN)) {
- $line = read_input_line($prompt);
- if ($line === false) {
- if (CONSOLE_INTERACTIVE) {
- print "\n";
- }
- break;
- } elseif ($line !== '') {
- try {
- if (trim($line) == 'exit') {
- break;
- } elseif (trim($line) == 'help') {
- console_help();
- continue;
- }
- // Let's do this!
- $result = eval($line);
- if ($result === false) {
- // parse error
- } elseif ($result === null) {
- // no return
- } else {
- // return value from eval'd code
- var_export($result);
- }
- } catch (Exception $e) {
- print get_class($e) . ": " . $e->getMessage() . "\n";
- }
- }
- if (CONSOLE_INTERACTIVE) {
- print "\n";
- }
- }
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