sp-api-error.php | Simple Press 5.0

<?php
/*
Simple:Press
Desc:
$LastChangedDate: 2012-02-12 09:42:32 -0700 (Sun, 12 Feb 2012) $
$Rev: 7935 $
*/

if (preg_match('#'.basename(__FILE__).'#', $_SERVER['PHP_SELF'])) die('Access denied - you cannot directly call this file');

# ==================================================================
#
#   CORE: This file is loaded at CORE
#   SP Error Handling and reporting
#
#   If the constant SPSHOWERRORS is set to true, non E_STRICT
#   errors will also echo to the screen. E_NOTICE 'undefined'
#   errors are curtrently ignored.
#
# ==================================================================

# ------------------------------------------------------------------
# sp_construct_database_error()
#
# DATABASE ERROR MESSAGE CONSTRUCTOR
#
# Creates database error message and sends to error log function
#
#   $sql:       the original sql statement
#   $sqlerror:  the reported mysql error text
# ------------------------------------------------------------------
function sp_construct_database_error($sql, $sqlerror) {
    $mess = '';
    $trace = debug_backtrace();
    $traceitem = $trace[2];
    $mess.= 'file: '.$traceitem['file'].'<br />';
    $mess.= 'line: '.$traceitem['line'].'<br />';
    $mess.= 'function: '.$traceitem['function'].'<br />';
    $mess.= "error: $sqlerror<br /><br />";
    $mess.= $sql;

    # write to error log
    sp_write_error('database', $mess);

    # create display message
    include_once(SPAPI.'sp-api-cache.php');
    sp_notify(1, sp_text('Invalid database query'));
}

# ------------------------------------------------------------------
# sp_construct_php_error()
#
# PHP ERROR MESSAGE CONSTRUCTOR (at least those catchable ones)
#
# Creates php error message and sends to error log function
#
#   $errno:     Error Type
#   $errstr:    Error message text
#   $errfile:   Error File
#   $errline:   Error Line Number in file
# ------------------------------------------------------------------
function sp_construct_php_error($errno, $errstr, $errfile, $errline) {
    global $SPPATHS;

    # only interested in SP errors
    $errfile = str_replace('\\','/',$errfile); # sanitize for Win32 installs
    $pos = strpos($errfile, '/plugins/simple-press/');
    $pos1 = strpos($errfile, $SPPATHS['plugins']);
    if ($pos === false && $pos1 === false) return false;

    # For now remove the 'undefined' (index/variable) notices
    if($errno == E_NOTICE && substr($errstr, 0, 9) == 'Undefined') return false;

    $errortype = array (
        E_ERROR              => 'Error',
        E_WARNING            => 'Warning',
        E_PARSE              => 'Parsing Error',
        E_NOTICE             => 'Notice',
        E_CORE_ERROR         => 'Core Error',
        E_CORE_WARNING       => 'Core Warning',
        E_COMPILE_ERROR      => 'Compile Error',
        E_COMPILE_WARNING    => 'Compile Warning',
        E_USER_ERROR         => 'User Error',
        E_USER_WARNING       => 'User Warning',
        E_USER_NOTICE        => 'User Notice',
        E_STRICT             => 'Runtime Notice',
        E_RECOVERABLE_ERROR  => 'Catchable Fatal Error'
    );

    if ($errno==E_NOTICE || $errno==E_RECOVERABLE_ERROR || $errno==E_WARNING) {
        $mess = '';
        $trace = debug_backtrace();
        $traceitem = $trace[1];
        unset($trace);
        if ($traceitem['function'] == 'spHandleShutdown') $traceitem['function'] ='Unavailable';

        $mess.= 'file: '.substr($errfile, $pos+8, strlen($errfile)).'<br />';
        $mess.= "line: $errline<br />";
        $mess.= 'function: '.$traceitem['function'].'<br />';
        $mess.= $errortype[$errno].' | '.$errstr;

        # write out error to our toolbox log
        sp_write_error('php', $mess);

        # wrtie error out to php error log (its still supressed from the screen)
        error_log('PHP '.$errortype[$errno].':  '.$errstr, 0);

        # if we arent showing SP errors, dont let php error handler run
        if (!defined('SPSHOWERRORS') || SPSHOWERRORS == false) return true;
    }
    return false;
}

# ------------------------------------------------------------------
# spHandleShutdown()
#
# FATAL (CRASH) ERROR RECORDING HANDLER
#
# Creates fatal error warning and passes to main error handler
# ------------------------------------------------------------------
register_shutdown_function('spHandleShutdown');
function spHandleShutdown() {
    $error = error_get_last();
    if ($error !== NULL) sp_construct_php_error($error['type'], $error['message'], $error['file'], $error['line']);
}

# ------------------------------------------------------------------
# sp_write_error()
#
# ERROR RECORDING HANDLER
#
# Creates entry in table sferrorlog
#
#   $errortyoe: 'database'
#   $errortext: pre-formatted error details
# ------------------------------------------------------------------
function sp_write_error($errortype, $errortext) {
    global $SPSTATUS, $sfvars;

    if ($SPSTATUS != 'ok') return;
    if(mysql_ping() == false) return;

    # checlk error log exists as it won't until installed.
    $success = spdb_select('var', "SHOW TABLES LIKE '".SFERRORLOG."'");
    if ($success == false) return;

    $now = "'".current_time('mysql')."'";
    $sql = 'INSERT INTO '.SFERRORLOG;
    $sql.= ' (error_date, error_type, error_text) ';
    $sql.= 'VALUES (';
    $sql.= $now.", ";
    $sql.= "'".$errortype."', ";
    $sql.= "'".esc_sql($errortext)."')";
    spdb_query($sql);

    # leave just last 50 entries
    if ($sfvars['insertid'] > 51) {
        $sql = 'DELETE FROM '.SFERRORLOG.' WHERE id < '.($sfvars['insertid']-50);
        spdb_query($sql);
    }
}

# ------------------------------------------------------------------
# sp_gis_error()
#
# Handles GetImageSize calls and produces error in failure
# ------------------------------------------------------------------

function sp_gis_error($errno, $errstr, $errfile, $errline, $errcontext) {
    global $gis_error;
    if ($errno == E_WARNING || $errno == E_NOTICE) $gis_error = sp_text('Unable to validate image details');
}


?>