From 3ec9caee98c9bda8c1bf2f63533e68724051369b Mon Sep 17 00:00:00 2001 From: Rob Di Marco Date: Sat, 26 Jul 2008 21:58:14 -0400 Subject: [PATCH] added friendfeed classes --- www/friendfeed/JSON.php | 806 ++++++++++++++++++++++++++++++++++ www/friendfeed/friendfeed.php | 361 +++++++++++++++ www/index.php | 0 3 files changed, 1167 insertions(+) create mode 100644 www/friendfeed/JSON.php create mode 100755 www/friendfeed/friendfeed.php create mode 100644 www/index.php diff --git a/www/friendfeed/JSON.php b/www/friendfeed/JSON.php new file mode 100644 index 0000000..0cddbdd --- /dev/null +++ b/www/friendfeed/JSON.php @@ -0,0 +1,806 @@ + + * @author Matt Knapp + * @author Brett Stimmerman + * @copyright 2005 Michal Migurski + * @version CVS: $Id: JSON.php,v 1.31 2006/06/28 05:54:17 migurski Exp $ + * @license http://www.opensource.org/licenses/bsd-license.php + * @link http://pear.php.net/pepr/pepr-proposal-show.php?id=198 + */ + +/** + * Marker constant for Services_JSON::decode(), used to flag stack state + */ +define('SERVICES_JSON_SLICE', 1); + +/** + * Marker constant for Services_JSON::decode(), used to flag stack state + */ +define('SERVICES_JSON_IN_STR', 2); + +/** + * Marker constant for Services_JSON::decode(), used to flag stack state + */ +define('SERVICES_JSON_IN_ARR', 3); + +/** + * Marker constant for Services_JSON::decode(), used to flag stack state + */ +define('SERVICES_JSON_IN_OBJ', 4); + +/** + * Marker constant for Services_JSON::decode(), used to flag stack state + */ +define('SERVICES_JSON_IN_CMT', 5); + +/** + * Behavior switch for Services_JSON::decode() + */ +define('SERVICES_JSON_LOOSE_TYPE', 16); + +/** + * Behavior switch for Services_JSON::decode() + */ +define('SERVICES_JSON_SUPPRESS_ERRORS', 32); + +/** + * Converts to and from JSON format. + * + * Brief example of use: + * + * + * // create a new instance of Services_JSON + * $json = new Services_JSON(); + * + * // convert a complexe value to JSON notation, and send it to the browser + * $value = array('foo', 'bar', array(1, 2, 'baz'), array(3, array(4))); + * $output = $json->encode($value); + * + * print($output); + * // prints: ["foo","bar",[1,2,"baz"],[3,[4]]] + * + * // accept incoming POST data, assumed to be in JSON notation + * $input = file_get_contents('php://input', 1000000); + * $value = $json->decode($input); + * + */ +class Services_JSON +{ + /** + * constructs a new JSON instance + * + * @param int $use object behavior flags; combine with boolean-OR + * + * possible values: + * - SERVICES_JSON_LOOSE_TYPE: loose typing. + * "{...}" syntax creates associative arrays + * instead of objects in decode(). + * - SERVICES_JSON_SUPPRESS_ERRORS: error suppression. + * Values which can't be encoded (e.g. resources) + * appear as NULL instead of throwing errors. + * By default, a deeply-nested resource will + * bubble up with an error, so all return values + * from encode() should be checked with isError() + */ + function Services_JSON($use = 0) + { + $this->use = $use; + } + + /** + * convert a string from one UTF-16 char to one UTF-8 char + * + * Normally should be handled by mb_convert_encoding, but + * provides a slower PHP-only method for installations + * that lack the multibye string extension. + * + * @param string $utf16 UTF-16 character + * @return string UTF-8 character + * @access private + */ + function utf162utf8($utf16) + { + // oh please oh please oh please oh please oh please + if(function_exists('mb_convert_encoding')) { + return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16'); + } + + $bytes = (ord($utf16{0}) << 8) | ord($utf16{1}); + + switch(true) { + case ((0x7F & $bytes) == $bytes): + // this case should never be reached, because we are in ASCII range + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return chr(0x7F & $bytes); + + case (0x07FF & $bytes) == $bytes: + // return a 2-byte UTF-8 character + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return chr(0xC0 | (($bytes >> 6) & 0x1F)) + . chr(0x80 | ($bytes & 0x3F)); + + case (0xFFFF & $bytes) == $bytes: + // return a 3-byte UTF-8 character + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return chr(0xE0 | (($bytes >> 12) & 0x0F)) + . chr(0x80 | (($bytes >> 6) & 0x3F)) + . chr(0x80 | ($bytes & 0x3F)); + } + + // ignoring UTF-32 for now, sorry + return ''; + } + + /** + * convert a string from one UTF-8 char to one UTF-16 char + * + * Normally should be handled by mb_convert_encoding, but + * provides a slower PHP-only method for installations + * that lack the multibye string extension. + * + * @param string $utf8 UTF-8 character + * @return string UTF-16 character + * @access private + */ + function utf82utf16($utf8) + { + // oh please oh please oh please oh please oh please + if(function_exists('mb_convert_encoding')) { + return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8'); + } + + switch(strlen($utf8)) { + case 1: + // this case should never be reached, because we are in ASCII range + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return $utf8; + + case 2: + // return a UTF-16 character from a 2-byte UTF-8 char + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return chr(0x07 & (ord($utf8{0}) >> 2)) + . chr((0xC0 & (ord($utf8{0}) << 6)) + | (0x3F & ord($utf8{1}))); + + case 3: + // return a UTF-16 character from a 3-byte UTF-8 char + // see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + return chr((0xF0 & (ord($utf8{0}) << 4)) + | (0x0F & (ord($utf8{1}) >> 2))) + . chr((0xC0 & (ord($utf8{1}) << 6)) + | (0x7F & ord($utf8{2}))); + } + + // ignoring UTF-32 for now, sorry + return ''; + } + + /** + * encodes an arbitrary variable into JSON format + * + * @param mixed $var any number, boolean, string, array, or object to be encoded. + * see argument 1 to Services_JSON() above for array-parsing behavior. + * if var is a strng, note that encode() always expects it + * to be in ASCII or UTF-8 format! + * + * @return mixed JSON string representation of input var or an error if a problem occurs + * @access public + */ + function encode($var) + { + switch (gettype($var)) { + case 'boolean': + return $var ? 'true' : 'false'; + + case 'NULL': + return 'null'; + + case 'integer': + return (int) $var; + + case 'double': + case 'float': + return (float) $var; + + case 'string': + // STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT + $ascii = ''; + $strlen_var = strlen($var); + + /* + * Iterate over every character in the string, + * escaping with a slash or encoding to UTF-8 where necessary + */ + for ($c = 0; $c < $strlen_var; ++$c) { + + $ord_var_c = ord($var{$c}); + + switch (true) { + case $ord_var_c == 0x08: + $ascii .= '\b'; + break; + case $ord_var_c == 0x09: + $ascii .= '\t'; + break; + case $ord_var_c == 0x0A: + $ascii .= '\n'; + break; + case $ord_var_c == 0x0C: + $ascii .= '\f'; + break; + case $ord_var_c == 0x0D: + $ascii .= '\r'; + break; + + case $ord_var_c == 0x22: + case $ord_var_c == 0x2F: + case $ord_var_c == 0x5C: + // double quote, slash, slosh + $ascii .= '\\'.$var{$c}; + break; + + case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)): + // characters U-00000000 - U-0000007F (same as ASCII) + $ascii .= $var{$c}; + break; + + case (($ord_var_c & 0xE0) == 0xC0): + // characters U-00000080 - U-000007FF, mask 110XXXXX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $char = pack('C*', $ord_var_c, ord($var{$c + 1})); + $c += 1; + $utf16 = $this->utf82utf16($char); + $ascii .= sprintf('\u%04s', bin2hex($utf16)); + break; + + case (($ord_var_c & 0xF0) == 0xE0): + // characters U-00000800 - U-0000FFFF, mask 1110XXXX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $char = pack('C*', $ord_var_c, + ord($var{$c + 1}), + ord($var{$c + 2})); + $c += 2; + $utf16 = $this->utf82utf16($char); + $ascii .= sprintf('\u%04s', bin2hex($utf16)); + break; + + case (($ord_var_c & 0xF8) == 0xF0): + // characters U-00010000 - U-001FFFFF, mask 11110XXX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $char = pack('C*', $ord_var_c, + ord($var{$c + 1}), + ord($var{$c + 2}), + ord($var{$c + 3})); + $c += 3; + $utf16 = $this->utf82utf16($char); + $ascii .= sprintf('\u%04s', bin2hex($utf16)); + break; + + case (($ord_var_c & 0xFC) == 0xF8): + // characters U-00200000 - U-03FFFFFF, mask 111110XX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $char = pack('C*', $ord_var_c, + ord($var{$c + 1}), + ord($var{$c + 2}), + ord($var{$c + 3}), + ord($var{$c + 4})); + $c += 4; + $utf16 = $this->utf82utf16($char); + $ascii .= sprintf('\u%04s', bin2hex($utf16)); + break; + + case (($ord_var_c & 0xFE) == 0xFC): + // characters U-04000000 - U-7FFFFFFF, mask 1111110X + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $char = pack('C*', $ord_var_c, + ord($var{$c + 1}), + ord($var{$c + 2}), + ord($var{$c + 3}), + ord($var{$c + 4}), + ord($var{$c + 5})); + $c += 5; + $utf16 = $this->utf82utf16($char); + $ascii .= sprintf('\u%04s', bin2hex($utf16)); + break; + } + } + + return '"'.$ascii.'"'; + + case 'array': + /* + * As per JSON spec if any array key is not an integer + * we must treat the the whole array as an object. We + * also try to catch a sparsely populated associative + * array with numeric keys here because some JS engines + * will create an array with empty indexes up to + * max_index which can cause memory issues and because + * the keys, which may be relevant, will be remapped + * otherwise. + * + * As per the ECMA and JSON specification an object may + * have any string as a property. Unfortunately due to + * a hole in the ECMA specification if the key is a + * ECMA reserved word or starts with a digit the + * parameter is only accessible using ECMAScript's + * bracket notation. + */ + + // treat as a JSON object + if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) { + $properties = array_map(array($this, 'name_value'), + array_keys($var), + array_values($var)); + + foreach($properties as $property) { + if(Services_JSON::isError($property)) { + return $property; + } + } + + return '{' . join(',', $properties) . '}'; + } + + // treat it like a regular array + $elements = array_map(array($this, 'encode'), $var); + + foreach($elements as $element) { + if(Services_JSON::isError($element)) { + return $element; + } + } + + return '[' . join(',', $elements) . ']'; + + case 'object': + $vars = get_object_vars($var); + + $properties = array_map(array($this, 'name_value'), + array_keys($vars), + array_values($vars)); + + foreach($properties as $property) { + if(Services_JSON::isError($property)) { + return $property; + } + } + + return '{' . join(',', $properties) . '}'; + + default: + return ($this->use & SERVICES_JSON_SUPPRESS_ERRORS) + ? 'null' + : new Services_JSON_Error(gettype($var)." can not be encoded as JSON string"); + } + } + + /** + * array-walking function for use in generating JSON-formatted name-value pairs + * + * @param string $name name of key to use + * @param mixed $value reference to an array element to be encoded + * + * @return string JSON-formatted name-value pair, like '"name":value' + * @access private + */ + function name_value($name, $value) + { + $encoded_value = $this->encode($value); + + if(Services_JSON::isError($encoded_value)) { + return $encoded_value; + } + + return $this->encode(strval($name)) . ':' . $encoded_value; + } + + /** + * reduce a string by removing leading and trailing comments and whitespace + * + * @param $str string string value to strip of comments and whitespace + * + * @return string string value stripped of comments and whitespace + * @access private + */ + function reduce_string($str) + { + $str = preg_replace(array( + + // eliminate single line comments in '// ...' form + '#^\s*//(.+)$#m', + + // eliminate multi-line comments in '/* ... */' form, at start of string + '#^\s*/\*(.+)\*/#Us', + + // eliminate multi-line comments in '/* ... */' form, at end of string + '#/\*(.+)\*/\s*$#Us' + + ), '', $str); + + // eliminate extraneous space + return trim($str); + } + + /** + * decodes a JSON string into appropriate variable + * + * @param string $str JSON-formatted string + * + * @return mixed number, boolean, string, array, or object + * corresponding to given JSON input string. + * See argument 1 to Services_JSON() above for object-output behavior. + * Note that decode() always returns strings + * in ASCII or UTF-8 format! + * @access public + */ + function decode($str) + { + $str = $this->reduce_string($str); + + switch (strtolower($str)) { + case 'true': + return true; + + case 'false': + return false; + + case 'null': + return null; + + default: + $m = array(); + + if (is_numeric($str)) { + // Lookie-loo, it's a number + + // This would work on its own, but I'm trying to be + // good about returning integers where appropriate: + // return (float)$str; + + // Return float or int, as appropriate + return ((float)$str == (integer)$str) + ? (integer)$str + : (float)$str; + + } elseif (preg_match('/^("|\').*(\1)$/s', $str, $m) && $m[1] == $m[2]) { + // STRINGS RETURNED IN UTF-8 FORMAT + $delim = substr($str, 0, 1); + $chrs = substr($str, 1, -1); + $utf8 = ''; + $strlen_chrs = strlen($chrs); + + for ($c = 0; $c < $strlen_chrs; ++$c) { + + $substr_chrs_c_2 = substr($chrs, $c, 2); + $ord_chrs_c = ord($chrs{$c}); + + switch (true) { + case $substr_chrs_c_2 == '\b': + $utf8 .= chr(0x08); + ++$c; + break; + case $substr_chrs_c_2 == '\t': + $utf8 .= chr(0x09); + ++$c; + break; + case $substr_chrs_c_2 == '\n': + $utf8 .= chr(0x0A); + ++$c; + break; + case $substr_chrs_c_2 == '\f': + $utf8 .= chr(0x0C); + ++$c; + break; + case $substr_chrs_c_2 == '\r': + $utf8 .= chr(0x0D); + ++$c; + break; + + case $substr_chrs_c_2 == '\\"': + case $substr_chrs_c_2 == '\\\'': + case $substr_chrs_c_2 == '\\\\': + case $substr_chrs_c_2 == '\\/': + if (($delim == '"' && $substr_chrs_c_2 != '\\\'') || + ($delim == "'" && $substr_chrs_c_2 != '\\"')) { + $utf8 .= $chrs{++$c}; + } + break; + + case preg_match('/\\\u[0-9A-F]{4}/i', substr($chrs, $c, 6)): + // single, escaped unicode character + $utf16 = chr(hexdec(substr($chrs, ($c + 2), 2))) + . chr(hexdec(substr($chrs, ($c + 4), 2))); + $utf8 .= $this->utf162utf8($utf16); + $c += 5; + break; + + case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F): + $utf8 .= $chrs{$c}; + break; + + case ($ord_chrs_c & 0xE0) == 0xC0: + // characters U-00000080 - U-000007FF, mask 110XXXXX + //see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $utf8 .= substr($chrs, $c, 2); + ++$c; + break; + + case ($ord_chrs_c & 0xF0) == 0xE0: + // characters U-00000800 - U-0000FFFF, mask 1110XXXX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $utf8 .= substr($chrs, $c, 3); + $c += 2; + break; + + case ($ord_chrs_c & 0xF8) == 0xF0: + // characters U-00010000 - U-001FFFFF, mask 11110XXX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $utf8 .= substr($chrs, $c, 4); + $c += 3; + break; + + case ($ord_chrs_c & 0xFC) == 0xF8: + // characters U-00200000 - U-03FFFFFF, mask 111110XX + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $utf8 .= substr($chrs, $c, 5); + $c += 4; + break; + + case ($ord_chrs_c & 0xFE) == 0xFC: + // characters U-04000000 - U-7FFFFFFF, mask 1111110X + // see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8 + $utf8 .= substr($chrs, $c, 6); + $c += 5; + break; + + } + + } + + return $utf8; + + } elseif (preg_match('/^\[.*\]$/s', $str) || preg_match('/^\{.*\}$/s', $str)) { + // array, or object notation + + if ($str{0} == '[') { + $stk = array(SERVICES_JSON_IN_ARR); + $arr = array(); + } else { + if ($this->use & SERVICES_JSON_LOOSE_TYPE) { + $stk = array(SERVICES_JSON_IN_OBJ); + $obj = array(); + } else { + $stk = array(SERVICES_JSON_IN_OBJ); + $obj = new stdClass(); + } + } + + array_push($stk, array('what' => SERVICES_JSON_SLICE, + 'where' => 0, + 'delim' => false)); + + $chrs = substr($str, 1, -1); + $chrs = $this->reduce_string($chrs); + + if ($chrs == '') { + if (reset($stk) == SERVICES_JSON_IN_ARR) { + return $arr; + + } else { + return $obj; + + } + } + + //print("\nparsing {$chrs}\n"); + + $strlen_chrs = strlen($chrs); + + for ($c = 0; $c <= $strlen_chrs; ++$c) { + + $top = end($stk); + $substr_chrs_c_2 = substr($chrs, $c, 2); + + if (($c == $strlen_chrs) || (($chrs{$c} == ',') && ($top['what'] == SERVICES_JSON_SLICE))) { + // found a comma that is not inside a string, array, etc., + // OR we've reached the end of the character list + $slice = substr($chrs, $top['where'], ($c - $top['where'])); + array_push($stk, array('what' => SERVICES_JSON_SLICE, 'where' => ($c + 1), 'delim' => false)); + //print("Found split at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); + + if (reset($stk) == SERVICES_JSON_IN_ARR) { + // we are in an array, so just push an element onto the stack + array_push($arr, $this->decode($slice)); + + } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) { + // we are in an object, so figure + // out the property name and set an + // element in an associative array, + // for now + $parts = array(); + + if (preg_match('/^\s*(["\'].*[^\\\]["\'])\s*:\s*(\S.*),?$/Uis', $slice, $parts)) { + // "name":value pair + $key = $this->decode($parts[1]); + $val = $this->decode($parts[2]); + + if ($this->use & SERVICES_JSON_LOOSE_TYPE) { + $obj[$key] = $val; + } else { + $obj->$key = $val; + } + } elseif (preg_match('/^\s*(\w+)\s*:\s*(\S.*),?$/Uis', $slice, $parts)) { + // name:value pair, where name is unquoted + $key = $parts[1]; + $val = $this->decode($parts[2]); + + if ($this->use & SERVICES_JSON_LOOSE_TYPE) { + $obj[$key] = $val; + } else { + $obj->$key = $val; + } + } + + } + + } elseif ((($chrs{$c} == '"') || ($chrs{$c} == "'")) && ($top['what'] != SERVICES_JSON_IN_STR)) { + // found a quote, and we are not inside a string + array_push($stk, array('what' => SERVICES_JSON_IN_STR, 'where' => $c, 'delim' => $chrs{$c})); + //print("Found start of string at {$c}\n"); + + } elseif (($chrs{$c} == $top['delim']) && + ($top['what'] == SERVICES_JSON_IN_STR) && + ((strlen(substr($chrs, 0, $c)) - strlen(rtrim(substr($chrs, 0, $c), '\\'))) % 2 != 1)) { + // found a quote, we're in a string, and it's not escaped + // we know that it's not escaped becase there is _not_ an + // odd number of backslashes at the end of the string so far + array_pop($stk); + //print("Found end of string at {$c}: ".substr($chrs, $top['where'], (1 + 1 + $c - $top['where']))."\n"); + + } elseif (($chrs{$c} == '[') && + in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) { + // found a left-bracket, and we are in an array, object, or slice + array_push($stk, array('what' => SERVICES_JSON_IN_ARR, 'where' => $c, 'delim' => false)); + //print("Found start of array at {$c}\n"); + + } elseif (($chrs{$c} == ']') && ($top['what'] == SERVICES_JSON_IN_ARR)) { + // found a right-bracket, and we're in an array + array_pop($stk); + //print("Found end of array at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); + + } elseif (($chrs{$c} == '{') && + in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) { + // found a left-brace, and we are in an array, object, or slice + array_push($stk, array('what' => SERVICES_JSON_IN_OBJ, 'where' => $c, 'delim' => false)); + //print("Found start of object at {$c}\n"); + + } elseif (($chrs{$c} == '}') && ($top['what'] == SERVICES_JSON_IN_OBJ)) { + // found a right-brace, and we're in an object + array_pop($stk); + //print("Found end of object at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); + + } elseif (($substr_chrs_c_2 == '/*') && + in_array($top['what'], array(SERVICES_JSON_SLICE, SERVICES_JSON_IN_ARR, SERVICES_JSON_IN_OBJ))) { + // found a comment start, and we are in an array, object, or slice + array_push($stk, array('what' => SERVICES_JSON_IN_CMT, 'where' => $c, 'delim' => false)); + $c++; + //print("Found start of comment at {$c}\n"); + + } elseif (($substr_chrs_c_2 == '*/') && ($top['what'] == SERVICES_JSON_IN_CMT)) { + // found a comment end, and we're in one now + array_pop($stk); + $c++; + + for ($i = $top['where']; $i <= $c; ++$i) + $chrs = substr_replace($chrs, ' ', $i, 1); + + //print("Found end of comment at {$c}: ".substr($chrs, $top['where'], (1 + $c - $top['where']))."\n"); + + } + + } + + if (reset($stk) == SERVICES_JSON_IN_ARR) { + return $arr; + + } elseif (reset($stk) == SERVICES_JSON_IN_OBJ) { + return $obj; + + } + + } + } + } + + /** + * @todo Ultimately, this should just call PEAR::isError() + */ + function isError($data, $code = null) + { + if (class_exists('pear')) { + return PEAR::isError($data, $code); + } elseif (is_object($data) && (get_class($data) == 'services_json_error' || + is_subclass_of($data, 'services_json_error'))) { + return true; + } + + return false; + } +} + +if (class_exists('PEAR_Error')) { + + class Services_JSON_Error extends PEAR_Error + { + function Services_JSON_Error($message = 'unknown error', $code = null, + $mode = null, $options = null, $userinfo = null) + { + parent::PEAR_Error($message, $code, $mode, $options, $userinfo); + } + } + +} else { + + /** + * @todo Ultimately, this class shall be descended from PEAR_Error + */ + class Services_JSON_Error + { + function Services_JSON_Error($message = 'unknown error', $code = null, + $mode = null, $options = null, $userinfo = null) + { + + } + } + +} + +?> diff --git a/www/friendfeed/friendfeed.php b/www/friendfeed/friendfeed.php new file mode 100755 index 0000000..770617a --- /dev/null +++ b/www/friendfeed/friendfeed.php @@ -0,0 +1,361 @@ +publish_message("Testing the FriendFeed API"); +// +// Users can get their remote key from http://friendfeed.com/remotekey. You +// should direct users who don't know their remote key to that page. +// For guidelines on user interface and terminology, check out +// http://friendfeed.com/api/guidelines. +class FriendFeed { + // Constructs a FriendFeed session with the given authentication params. + function FriendFeed($auth_nickname=null, $auth_key=null) { + $this->auth_nickname = $auth_nickname; + $this->auth_key = $auth_key; + } + + // Returns the public feed with everyone's public entries. + // + // Authentication is not required. + function fetch_public_feed($service=null, $start=0, $num=30) { + return $this->fetch_feed("/api/feed/public", $service, $start, $num); + } + + // Returns the entries shared by the user with the given nickname. + // + // Authentication is required if the user's feed is not public. + function fetch_user_feed($nickname, $service=null, $start=0, $num=30) { + return $this->fetch_feed("/api/feed/user/" . urlencode($nickname), + $service, $start, $num); + } + + // Returns the most recent entries the given user has commented on. + function fetch_user_comments_feed($nickname, $service=null, $start=0, + $num=30) { + return $this->fetch_feed( + "/api/feed/user/" . urlencode($nickname) . "/comments", + $service, $start, $num); + } + + // Returns the most recent entries the given user has "liked." + function fetch_user_likes_feed($nickname, $service=null, $start=0, + $num=30) { + return $this->fetch_feed( + "/api/feed/user/" . urlencode($nickname) . "/likes", + $service, $start, $num); + } + + // Returns the most recent entries the given user has "liked." + function fetch_user_discussion_feed($nickname, $service=null, $start=0, + $num=30) { + return $this->fetch_feed( + "/api/feed/user/" . urlencode($nickname) . "/discussion", + $service, $start, $num); + } + + // Returns a merged feed with all of the given users' entries. + // + // Authentication is required if any one of the users' feeds is not + // public. + function fetch_multi_user_feed($nicknames, $service=null, $start=0, + $num=30) { + return $this->fetch_feed("/api/feed/user", $service, $start, $num, + join(",", $nicknames)); + } + + // Returns the entries the authenticated user sees on their home page. + // + // Authentication is always required. + function fetch_home_feed($service=null, $start=0, $num=30) { + return $this->fetch_feed("/api/feed/home", $service, $start, $num); + } + + // Searches over entries in FriendFeed. + // + // If the request is authenticated, the default scope is over all of the + // entries in the authenticated user's Friends Feed. If the request is + // not authenticated, the default scope is over all public entries. + // + // The query syntax is the same syntax as + // http://friendfeed.com/search/advanced + function search($query, $service=null, $start=0, $num=30) { + return $this->fetch_feed("/api/feed/search", $service, $start, $num, + null, $query); + } + + // Publishes the given textual message to the authenticated user's feed. + // + // See publish_link for additional options. + function publish_message($message, $comment=null, $image_urls=null, + $images=null) { + return $this->publish_link($message, null, $comment, $image_urls, + $images); + } + + // Publishes the given link/title to the authenticated user's feed. + // + // Authentication is always required. + // + // image_urls is a list of URLs that will be downloaded and included as + // thumbnails beneath the link. The thumbnails will all link to the + // destination link. If you would prefer that the images link somewhere + // else, you can specify images instead, which should be an array of + // name-associated arrays of the form array("url"=>...,"link"=>...). + // The thumbnail with the given url will link to the specified link. + // + // audio_urls is a list of MP3 URLs that will show up as a play + // button beneath the link. You can optionally supply audio[] + // instead, which should be a list of name-associated arrays of the + // form ("url"=> ..., "title"=> ...). The given title will appear when + // the audio file is played. + // + // We return the parsed/published entry as returned from the server, + // which includes the final thumbnail URLs as well as the ID for the + // new entry. + function publish_link($title, $link, $comment=null, $image_urls=null, + $images=null, $via=null, $audio_urls=null, + $audio=null, $room=null) { + $post_args = array("title" => $title); + if ($link) $post_args["link"] = $link; + if ($comment) $post_args["comment"] = $comment; + if ($via) $post_args["via"] = $via; + if ($room) $post_args["room"] = $room; + + $post_images = array(); + if ($image_urls) { + foreach ($image_urls as $url) { + $post_images[] = array("url" => $url); + } + } + if ($images) { + foreach ($images as $image) { + $post_images[] = $image; + } + } + for ($i = 0; $i < count($post_images); $i++) { + $image = $post_images[$i]; + $post_args["image" . $i . "_url"] = $image["url"]; + if ($image["link"]) { + $post_args["image" . $i . "_link"] = $image["link"]; + } + } + + $post_audio = array(); + if ($audio_urls) { + foreach ($audio_urls as $url) { + $post_audio[] = array("url" => $url); + } + } + if ($audio) { + foreach ($audio as $clip) { + $post_audio[] = $clip; + } + } + for ($i = 0; $i < count($post_audio); $i++) { + $clip = $post_audio[$i]; + $post_args["audio" . $i . "_url"] = $clip["url"]; + if ($clip["title"]) { + $post_args["audio" . $i . "_title"] = $clip["link"]; + } + } + + $feed = $this->fetch_feed("/api/share", null, null, null, null, null, + $post_args); + return $feed->entries[0]; + } + + // Adds the given comment to the entry with the given ID. + // + // We return the ID of the new comment, which can be used to edit or + // delete the comment. + function add_comment($entry_id, $body) { + $result = $this->fetch("/api/comment", null, array( + "entry" => $entry_id, + "body" => $body + )); + return $result->id; + } + + // Updates the comment with the given ID. + function edit_comment($entry_id, $comment_id, $body) { + $this->fetch("/api/comment", null, array( + "entry" => $entry_id, + "comment" => $comment_id, + "body" => $body + )); + } + + // Deletes the comment with the given ID. + function delete_comment($entry_id, $comment_id) { + $this->fetch("/api/comment/delete", null, array( + "entry" => $entry_id, + "comment" => $comment_id, + )); + } + + // Un-deletes the comment with the given ID. + function undelete_comment($entry_id, $comment_id) { + $this->fetch("/api/comment/delete", null, array( + "entry" => $entry_id, + "comment" => $comment_id, + "undelete" => 1, + )); + } + + // 'Likes' the entry with the given ID. + function add_like($entry_id) { + $this->fetch("/api/like", null, array( + "entry" => $entry_id, + )); + } + + // Deletes the 'Like' for the entry with the given ID (if any). + function delete_like($entry_id) { + $this->fetch("/api/like/delete", null, array( + "entry" => $entry_id, + )); + } + + // Internal function to download, parse, and process FriendFeed feeds. + function fetch_feed($uri, $service, $start, $num, $nickname=null, + $query=null, $post_args=null) { + $url_args = array( + "service" => $service, + "start" => $start, + "num" => $num, + ); + if ($nickname) $url_args["nickname"] = $nickname; + if ($query) $url_args["q"] = $query; + $feed = $this->fetch($uri, $url_args, $post_args); + if (!$feed) return null; + + // Parse all the dates in the feed + foreach ($feed->entries as $entry) { + $entry->updated = strtotime($entry->updated); + $entry->published = strtotime($entry->published); + foreach ($entry->comments as $comment) { + $comment->date = strtotime($comment->date); + } + foreach ($entry->likes as $like) { + $like->date = strtotime($like->date); + } + } + return $feed; + } + + // Performs an authenticated FF request, parsing the JSON response. + function fetch($uri, $url_args=null, $post_args=null) { + if (!$url_args) $url_args = array(); + $url_args["format"] = "json"; + $pairs = array(); + foreach ($url_args as $name => $value) { + $pairs[] = $name . "=" . urlencode($value); + } + $url = "http://friendfeed.com" . $uri . "?" . join("&", $pairs); + + $curl = curl_init("friendfeed.com"); + curl_setopt($curl, CURLOPT_URL, $url); + curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); + if ($this->auth_nickname && $this->auth_key) { + curl_setopt($curl, CURLOPT_USERPWD, + $this->auth_nickname . ":" . $this->auth_key); + curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC); + } + if ($post_args) { + curl_setopt($curl, CURLOPT_POST, 1); + curl_setopt($curl, CURLOPT_POSTFIELDS, $post_args); + } + $response = curl_exec($curl); + $info = curl_getinfo($curl); + curl_close($curl); + if ($info["http_code"] != 200) { + return null; + } + return $this->json_decode($response); + } + + // JSON decoder that uses the PHP 5.2+ functionality if available. + function json_decode($str) { + if (function_exists("json_decode")) { + return json_decode($str); + } else { + require_once("JSON.php"); + $json = new Services_JSON(); + return $json->decode($str); + } + } +} + + +function test_friendfeed() { + header("Content-Type: text/plain"); + + // Fill in a nickname and a valid remote key below for authenticated + // actions like posting an entry and reading a protected feed + // $session = new FriendFeed($_POST["nickname"], $_POST["remote_key"]); + $session = new FriendFeed(); + + $feed = $session->fetch_public_feed(); + // $feed = $session->fetch_user_feed("bret"); + // $feed = $session->fetch_user_feed("paul", "twitter"); + // $feed = $session->fetch_user_discussion_feed("bret"); + // $feed = $session->fetch_multi_user_feed(array("bret", "paul", "jim")); + // $feed = $session->search("who:bret friendfeed"); + foreach ($feed->entries as $entry) { + print($entry->title . "\n"); + } + + if ($session->auth_nickname && $session->auth_key) { + // The feed that the authenticated user would see on their home page + $feed = $session->fetch_home_feed(); + + // Post a message on this user's feed + $entry = $session->publish_message("Testing the FriendFeed API"); + print("Posted new message at http://friendfeed.com/e/" . $entry->id . "\n"); + + // Post a link on this user's feed + $entry = $session->publish_link("Testing the FriendFeed API", + "http://friendfeed.com/"); + print("Posted new link at http://friendfeed.com/e/" . $entry->id . "\n"); + + // Post a link with two thumbnails on this user's feed + $entry = $session->publish_link( + "Testing the FriendFeed API", + "http://friendfeed.com/", + "Test comment on this test entry", + array("http://friendfeed.com/static/images/jim-superman.jpg", + "http://friendfeed.com/static/images/logo.png")); + print("Posted images at http://friendfeed.com/e/" . $entry->id . "\n"); + } +} + +?> diff --git a/www/index.php b/www/index.php new file mode 100644 index 0000000..e69de29