Файл: HTML/library/twitter/lib/tmhUtilities.php
Строк: 288
<?php
/**
* tmhUtilities
*
* Helpful utility and Twitter formatting functions
*
* @author themattharris
* @version 0.5.0
*
* 04 September 2012
*/
class tmhUtilities {
const VERSION = '0.5.0';
/**
* Entifies the tweet using the given entities element.
* Deprecated.
* You should instead use entify_with_options.
*
* @param array $tweet the json converted to normalised array
* @param array $replacements if specified, the entities and their replacements will be stored to this variable
* @return the tweet text with entities replaced with hyperlinks
*/
public static function entify($tweet, &$replacements=array()) {
return tmhUtilities::entify_with_options($tweet, array(), $replacements);
}
/**
* Entifies the tweet using the given entities element, using the provided
* options.
*
* @param array $tweet the json converted to normalised array
* @param array $options settings to be used when rendering the entities
* @param array $replacements if specified, the entities and their replacements will be stored to this variable
* @return the tweet text with entities replaced with hyperlinks
*/
public static function entify_with_options($tweet, $options=array(), &$replacements=array()) {
$default_opts = array(
'encoding' => 'UTF-8',
'target' => '',
);
$opts = array_merge($default_opts, $options);
$encoding = mb_internal_encoding();
mb_internal_encoding($opts['encoding']);
$keys = array();
$is_retweet = false;
if (isset($tweet['retweeted_status'])) {
$tweet = $tweet['retweeted_status'];
$is_retweet = true;
}
if (!isset($tweet['entities'])) {
return $tweet['text'];
}
$target = (!empty($opts['target'])) ? ' target="'.$opts['target'].'"' : '';
// prepare the entities
foreach ($tweet['entities'] as $type => $things) {
foreach ($things as $entity => $value) {
$tweet_link = "<a href="https://twitter.com/{$tweet['user']['screen_name']}/statuses/{$tweet['id']}"{$target}>{$tweet['created_at']}</a>";
switch ($type) {
case 'hashtags':
$href = "<a href="https://twitter.com/search?q=%23{$value['text']}"{$target}>#{$value['text']}</a>";
break;
case 'user_mentions':
$href = "@<a href="https://twitter.com/{$value['screen_name']}" title="{$value['name']}"{$target}>{$value['screen_name']}</a>";
break;
case 'urls':
case 'media':
$url = empty($value['expanded_url']) ? $value['url'] : $value['expanded_url'];
$display = isset($value['display_url']) ? $value['display_url'] : str_replace('http://', '', $url);
// Not all pages are served in UTF-8 so you may need to do this ...
$display = urldecode(str_replace('%E2%80%A6', '…', urlencode($display)));
$href = "<a href="{$value['url']}"{$target}>{$display}</a>";
break;
}
$keys[$value['indices']['0']] = mb_substr(
$tweet['text'],
$value['indices']['0'],
$value['indices']['1'] - $value['indices']['0']
);
$replacements[$value['indices']['0']] = $href;
}
}
ksort($replacements);
$replacements = array_reverse($replacements, true);
$entified_tweet = $tweet['text'];
foreach ($replacements as $k => $v) {
$entified_tweet = mb_substr($entified_tweet, 0, $k).$v.mb_substr($entified_tweet, $k + strlen($keys[$k]));
}
$replacements = array(
'replacements' => $replacements,
'keys' => $keys
);
mb_internal_encoding($encoding);
return $entified_tweet;
}
/**
* Returns the current URL. This is instead of PHP_SELF which is unsafe
*
* @param bool $dropqs whether to drop the querystring or not. Default true
* @return string the current URL
*/
public static function php_self($dropqs=true) {
$protocol = 'http';
if (isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on') {
$protocol = 'https';
} elseif (isset($_SERVER['SERVER_PORT']) && ($_SERVER['SERVER_PORT'] == '443')) {
$protocol = 'https';
}
$url = sprintf('%s://%s%s',
$protocol,
$_SERVER['SERVER_NAME'],
$_SERVER['REQUEST_URI']
);
$parts = parse_url($url);
$port = $_SERVER['SERVER_PORT'];
$scheme = $parts['scheme'];
$host = $parts['host'];
$path = @$parts['path'];
$qs = @$parts['query'];
$port or $port = ($scheme == 'https') ? '443' : '80';
if (($scheme == 'https' && $port != '443')
|| ($scheme == 'http' && $port != '80')) {
$host = "$host:$port";
}
$url = "$scheme://$host$path";
if ( ! $dropqs)
return "{$url}?{$qs}";
else
return $url;
}
public static function is_cli() {
return (PHP_SAPI == 'cli' && empty($_SERVER['REMOTE_ADDR']));
}
/**
* Debug function for printing the content of an object
*
* @param mixes $obj
*/
public static function pr($obj) {
if (!self::is_cli())
echo '<pre style="word-wrap: break-word">';
if ( is_object($obj) )
print_r($obj);
elseif ( is_array($obj) )
print_r($obj);
else
echo $obj;
if (!self::is_cli())
echo '</pre>';
}
/**
* Make an HTTP request using this library. This method is different to 'request'
* because on a 401 error it will retry the request.
*
* When a 401 error is returned it is possible the timestamp of the client is
* too different to that of the API server. In this situation it is recommended
* the request is retried with the OAuth timestamp set to the same as the API
* server. This method will automatically try that technique.
*
* This method doesn't return anything. Instead the response should be
* inspected directly.
*
* @param string $method the HTTP method being used. e.g. POST, GET, HEAD etc
* @param string $url the request URL without query string parameters
* @param array $params the request parameters as an array of key=value pairs
* @param string $useauth whether to use authentication when making the request. Default true.
* @param string $multipart whether this request contains multipart data. Default false
*/
public static function auto_fix_time_request($tmhOAuth, $method, $url, $params=array(), $useauth=true, $multipart=false) {
$tmhOAuth->request($method, $url, $params, $useauth, $multipart);
// if we're not doing auth the timestamp isn't important
if ( ! $useauth)
return;
// some error that isn't a 401
if ($tmhOAuth->response['code'] != 401)
return;
// some error that is a 401 but isn't because the OAuth token and signature are incorrect
// TODO: this check is horrid but helps avoid requesting twice when the username and password are wrong
if (stripos($tmhOAuth->response['response'], 'password') !== false)
return;
// force the timestamp to be the same as the Twitter servers, and re-request
$tmhOAuth->auto_fixed_time = true;
$tmhOAuth->config['force_timestamp'] = true;
$tmhOAuth->config['timestamp'] = strtotime($tmhOAuth->response['headers']['date']);
return $tmhOAuth->request($method, $url, $params, $useauth, $multipart);
}
/**
* Asks the user for input and returns the line they enter
*
* @param string $prompt the text to display to the user
* @return the text entered by the user
*/
public static function read_input($prompt) {
echo $prompt;
$handle = fopen("php://stdin","r");
$data = fgets($handle);
return trim($data);
}
/**
* Get a password from the shell.
*
* This function works on *nix systems only and requires shell_exec and stty.
*
* @param boolean $stars Wether or not to output stars for given characters
* @return string
* @url http://www.dasprids.de/blog/2008/08/22/getting-a-password-hidden-from-stdin-with-php-cli
*/
public static function read_password($prompt, $stars=false) {
echo $prompt;
$style = shell_exec('stty -g');
if ($stars === false) {
shell_exec('stty -echo');
$password = rtrim(fgets(STDIN), "n");
} else {
shell_exec('stty -icanon -echo min 1 time 0');
$password = '';
while (true) :
$char = fgetc(STDIN);
if ($char === "n") :
break;
elseif (ord($char) === 127) :
if (strlen($password) > 0) {
fwrite(STDOUT, "x08 x08");
$password = substr($password, 0, -1);
}
else
fwrite(STDOUT, "*");
$password .= $char;
endif;
endwhile;
}
// Reset
shell_exec('stty ' . $style);
echo PHP_EOL;
return $password;
}
/**
* Check if one string ends with another
*
* @param string $haystack the string to check inside of
* @param string $needle the string to check $haystack ends with
* @return true if $haystack ends with $needle, false otherwise
*/
public static function endswith($haystack, $needle) {
$haylen = strlen($haystack);
$needlelen = strlen($needle);
if ($needlelen > $haylen)
return false;
return substr_compare($haystack, $needle, -$needlelen) === 0;
}
}