Bild Posting ...

<?php
/*
Plugin Name: lr2ImageSnag
Plugin URI: http://lr2.com/plugins/lr2ImageSnag/
Description: Snags an image from the web and adds it to the text when posting.  Instructions: Paste the URL of an image (not image tag) on the first line of the content.  Submit as normal and the plugin will do the rest.
Author: Anton Olsen, Jens Lojek
Author URI: http://anton.lr2.com/
Version: 0.3.1


JLo: Update 2006-02-09 : simple modification to rename the images
using:http://mydomain.tld/image.png:the_new_image_name to rename the image in the_new_image_name.png (allowed are '0-9', 'a-z', 'A-Z' and '_' and '-'
*/ 


$lr2CONFIG['snag'] = true;                // Indicate snag is installed if other lr2 plugins care.
$lr2CONFIG['snag_log'] = true;            // Log things to the error_log.
$lr2CONFIG['snag_tmp'] = '/tmp/';         // Directory to put curled files.  *Writable by webserver.
$lr2CONFIG['snag_path'] = '/imageSnag/';  // Directory to put images relative to wordpress dir.  *Writable by webserver.


// I haven't found an easy way to get the dir that WP is installed in, so we'll create it from what we do know.
$lr2CONFIG['snag_siteurl'] = get_settings('siteurl');
// http://blog.addr/path/to/imageSnag/
$lr2CONFIG['snag_snagurl'] = $lr2CONFIG['snag_siteurl'].$lr2CONFIG['snag_path'];
// /path/to/document/root/[blogdir/]imageSnag/
$lr2CONFIG['snag_dir'] = $_SERVER['DOCUMENT_ROOT'].preg_replace( '/[^\/]*\/\/[^\/]*/','',$lr2CONFIG['snag_siteurl']).$lr2CONFIG['snag_path'];


function lr2ImageSnag_log( $string )
{
   global $lr2CONFIG;


   if ($lr2CONFIG['snag_log'])
   {
      error_log('imageSnag: '.$string);
   }
}




// given an url, go fetch it and put it in the temp directory.
//
function lr2ImageSnag_get( $url )
{
   global $lr2CONFIG;


   $tmpFile = $lr2CONFIG['snag_tmp'].uniqid('imageSnag');


   // -e "url" sends a referer header pointing at the same URL.
   // This is usually enough to satisfy the anti-hotlink mod_rewrites.
   // -sS supresses nomal output (-s), but shows errors (-S).
   $command = 'curl -sS -o '.$tmpFile.' -e "'.$url.'"  "'.$url.'"';
   exec( $command, $output, $return );


   // Show the errors in the error_log for anyone who cares.
   if (count($output)) 
   {
      lr2ImageSnag_log(implode("\n", $output));
   }


   // Easy test to see if curl suceeded.
   if (file_exists($tmpFile))
   {
      return $tmpFile;
   } else {
      lr2ImageSnag_log('Error fetching the image: '.$url);
      return false;
   }
}




// given a tempfile, and a post id, convert the fetched image into the inageSnag dir.
//
//function lr2ImageSnag_convert( $tmpFile, $post_ID ) 
function lr2ImageSnag_convert( $tmpFile, $image_name ) 
{
   global $lr2CONFIG;
   global $_SERVER;


   // should be something like /path/to/document/root/[path_to_wp/]imageSnag/123.png
   //$newFile = $lr2CONFIG['snag_dir'].$post_ID.'.png';
   $newFile = $lr2CONFIG['snag_dir'].$image_name.'.png';


   // Scale the image to a max of 100x100 and use only the first frame if it's animated.
   $command = 'convert -scale 100x100 '.$tmpFile.'[0] '.$newFile;
   exec( $command );
   unlink($tmpFile);


   // Simple check to see if convert suceeded.
   if (file_exists($newFile))
   {
      return $newFile;
   }
   else
   {
      lr2ImageSnag_log('Error converting the image: '.$command);
      return false;
   }
}




// Where it all starts.
//
function lr2ImageSnag($post_ID)
{
   global $lr2CONFIG;
   global $_SERVER;
   global $_POST;
   global $wpdb, $tableposts;


   lr2ImageSnag_log('Starting imageSnag for '.$post_ID);


   // Error handling, make sure we'll be able to write files before continuing.
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      lr2ImageSnag_log('Temp dir is not writable: '.$lr2CONFIG['snag_tmp']);
      return false;
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      lr2ImageSnag_log('Snag dir is not writable: '.$lr2CONFIG['snag_dir']);
      return false;
   }


   // We should have a post_ID handed to us, if not, try to find it.
   if (!$post_ID) {
      // Try the one posted by the form.
      $post_ID = $_POST['post_ID'];
   }


   // Grab the first line from the content.
   $content = $wpdb->get_var("SELECT post_content FROM $tableposts WHERE id = $post_ID");
   list($line) = explode("\r", $content);
   if (!$line)
   {
      // didn't get anything splitting on \r, try \n instead.
      list($line) = explode("\n", $content);
   }


   // Look to see if the first line is an URL.
   if (ereg('^http://(.+)$', $line, $regs))
   {
      //JLo Jens Lojek jl@code-in-design.de
	  if(ereg('^http://(.+):([0-9a-zA-Z\_\-]*)', $line, $regs)){
	  	$url = 'http://' . $regs[1];
		$image_name = $regs[2];
	  }else{
	  	$url = $line;
		$image_name = $post_ID;
	  }
	  //end JLo


      // Get the image using curl.
      if ($tmpFile = lr2ImageSnag_get( $url ))
      {
         // Convert the file to the thumbnail.
         //if ($newurl = lr2ImageSnag_convert( $tmpFile, $post_ID ))
		 if ($newurl = lr2ImageSnag_convert( $tmpFile, $image_name ))
         {
            $imageurl = $lr2CONFIG['snag_snagurl'].$image_name.'.png';
            $image = '<img src="'.$imageurl.'" style="'.$lr2CONFIG['snag_style'].'" class="lr2ImageSnag">';
            //$content = ereg_replace( $url, $image, $content );
			$content = ereg_replace( $line, $image, $content );


            $sql = 'UPDATE '.$tableposts.' SET post_content=\''.ereg_replace("'", "''", $content).'\' WHERE id='.$post_ID;
            $result = $wpdb->query($sql);
         }
      }
   } 
   else 
   {
      lr2ImageSnag_log('First line is not an URL.');
   }


   lr2ImageSnag_log('lr2ImageSnag: done.');
}


function lr2ImageSnag_checkdir() 
{
   global $lr2CONFIG;


   // Check to see if the dirs are there and try to create them if they aren't.
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      mkdir( $lr2CONFIG['snag_tmp'], 0777, 1 );
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      mkdir( $lr2CONFIG['snag_dir'], 0777, 1 );
   }


   // Now check to see if all the dirs exist and we can use them.
   $error = array();
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir does not exist: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir is not writable by the web server: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir does not exist: '.$lr2CONFIG['snag_dir'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir is not writable by the web server: '.$lr2CONFIG['snag_dir'].'</li>';
   }


   // Do curl and convert exist?
   $command = 'which curl 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find curl command. Please install <a href="http://curl.haxx.se/">curl</a>.</li>';
   }
   $command = 'which convert 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find convert command.  Please install <a href="http://www.imagemagick.org/script/index.php">ImageMagick</a>.</li>';
   }


   $output = array();
   $output[] = '<fieldset>';
   $output[] = '<legend><a href="http://lr2.com/pluginis/lr2ImageSnag/">lr2ImageSnag</a></legend>';
   $output[] = '<div style="margin: 5px; padding: 2px;">';
   $output[] = 'The lr2ImageSnag plugin is active.<br />';
   if (count($error))
   {
      $output[] = 'The following problems were encountered:<br />';
      $output[] = '<ul>'.implode('', $error).'</ul>';
   }
   else 
   {
      $output[] = 'Paste an image url as the first line of the post to create a thumbnail in your post.';
   }


   $output[] = '</div>';
   $output[] = '</fieldset>';


   echo implode("\n", $output);
}


// TODO Move the style into the options table when we get an lr2 plugin admin page.
function lr2ImageSnag_style()
{
   global $lr2CONFIG;


   echo "\n<style type=\"text/css\" media=\"screen\">\n";
   echo ".lr2ImageSnag { margin: 5px; float:right; }\n";
   echo "</style>\n";
   global $_REQUEST;
   if ($_REQUEST['popupurl'] && $_REQUEST['content'])
   {
      $_REQUEST['content'] = "\n\n\n<blockquote>\n".$_REQUEST['content']."\n</blockquote>\n";
   }


}


add_action('wp_head', 'lr2ImageSnag_style');
add_action('edit_form_advanced', 'lr2ImageSnag_checkdir');
add_action('simple_edit_form', 'lr2ImageSnag_checkdir');
add_action('edit_post', 'lr2ImageSnag');
add_action('save_post', 'lr2ImageSnag');
?>

<?php
/*
Plugin Name: lr2ImageSnag
Plugin URI: http://lr2.com/plugins/lr2ImageSnag/
Description: Snags an image from the web and adds it to the text when posting.  Instructions: Paste the URL of an image (not image tag) on the first line of the content.  Submit as normal and the plugin will do the rest.
Author: Anton Olsen, Jens Lojek
Author URI: http://anton.lr2.com/
Version: 0.3.2


JLo: Update 2006-02-09 : simple modification to rename the images
using:http://mydomain.tld/image.png:the_new_image_name to rename the image in the_new_image_name.png (allowed are '0-9', 'a-z', 'A-Z' and '_' and '-'
Also implemented: the image tag becomes an link to the origin url (optional)
*/ 


$lr2CONFIG['snag'] = true;                // Indicate snag is installed if other lr2 plugins care.
$lr2CONFIG['snag_log'] = true;            // Log things to the error_log.
$lr2CONFIG['snag_tmp'] = '/tmp/';         // Directory to put curled files.  *Writable by webserver.
$lr2CONFIG['snag_path'] = '/imageSnag/';  // Directory to put images relative to wordpress dir.  *Writable by webserver.
$lr2CONFIG['snag_add_link'] = true;		  // If true, the image will be linked to the origin url in a new browser by click on the image


// I haven't found an easy way to get the dir that WP is installed in, so we'll create it from what we do know.
$lr2CONFIG['snag_siteurl'] = get_settings('siteurl');
// http://blog.addr/path/to/imageSnag/
$lr2CONFIG['snag_snagurl'] = $lr2CONFIG['snag_siteurl'].$lr2CONFIG['snag_path'];
// /path/to/document/root/[blogdir/]imageSnag/
$lr2CONFIG['snag_dir'] = $_SERVER['DOCUMENT_ROOT'].preg_replace( '/[^\/]*\/\/[^\/]*/','',$lr2CONFIG['snag_siteurl']).$lr2CONFIG['snag_path'];


function lr2ImageSnag_log( $string )
{
   global $lr2CONFIG;


   if ($lr2CONFIG['snag_log'])
   {
      error_log('imageSnag: '.$string);
   }
}




// given an url, go fetch it and put it in the temp directory.
//
function lr2ImageSnag_get( $url )
{
   global $lr2CONFIG;


   $tmpFile = $lr2CONFIG['snag_tmp'].uniqid('imageSnag');


   // -e "url" sends a referer header pointing at the same URL.
   // This is usually enough to satisfy the anti-hotlink mod_rewrites.
   // -sS supresses nomal output (-s), but shows errors (-S).
   $command = 'curl -sS -o '.$tmpFile.' -e "'.$url.'"  "'.$url.'"';
   exec( $command, $output, $return );


   // Show the errors in the error_log for anyone who cares.
   if (count($output)) 
   {
      lr2ImageSnag_log(implode("\n", $output));
   }


   // Easy test to see if curl suceeded.
   if (file_exists($tmpFile))
   {
      return $tmpFile;
   } else {
      lr2ImageSnag_log('Error fetching the image: '.$url);
      return false;
   }
}




// given a tempfile, and a post id, convert the fetched image into the inageSnag dir.
//
//function lr2ImageSnag_convert( $tmpFile, $post_ID ) 
function lr2ImageSnag_convert( $tmpFile, $image_name ) 
{
   global $lr2CONFIG;
   global $_SERVER;


   // should be something like /path/to/document/root/[path_to_wp/]imageSnag/123.png
   //$newFile = $lr2CONFIG['snag_dir'].$post_ID.'.png';
   $newFile = $lr2CONFIG['snag_dir'].$image_name.'.png';


   // Scale the image to a max of 100x100 and use only the first frame if it's animated.
   $command = 'convert -scale 100x100 '.$tmpFile.'[0] '.$newFile;
   exec( $command );
   unlink($tmpFile);


   // Simple check to see if convert suceeded.
   if (file_exists($newFile))
   {
      return $newFile;
   }
   else
   {
      lr2ImageSnag_log('Error converting the image: '.$command);
      return false;
   }
}




// Where it all starts.
//
function lr2ImageSnag($post_ID)
{
   global $lr2CONFIG;
   global $_SERVER;
   global $_POST;
   global $wpdb, $tableposts;


   lr2ImageSnag_log('Starting imageSnag for '.$post_ID);


   // Error handling, make sure we'll be able to write files before continuing.
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      lr2ImageSnag_log('Temp dir is not writable: '.$lr2CONFIG['snag_tmp']);
      return false;
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      lr2ImageSnag_log('Snag dir is not writable: '.$lr2CONFIG['snag_dir']);
      return false;
   }


   // We should have a post_ID handed to us, if not, try to find it.
   if (!$post_ID) {
      // Try the one posted by the form.
      $post_ID = $_POST['post_ID'];
   }


   // Grab the first line from the content.
   $content = $wpdb->get_var("SELECT post_content FROM $tableposts WHERE id = $post_ID");
   list($line) = explode("\r", $content);
   if (!$line)
   {
      // didn't get anything splitting on \r, try \n instead.
      list($line) = explode("\n", $content);
   }


   // Look to see if the first line is an URL.
   if (ereg('^http://(.+)$', $line, $regs))
   {
      //JLo Jens Lojek jl@code-in-design.de
	  if(ereg('^http://(.+):([0-9a-zA-Z\_\-]*)', $line, $regs)){
	  	$url = 'http://' . $regs[1];
		$image_name = $regs[2];
	  }else{
	  	$url = $line;
		$image_name = $post_ID;
	  }
	  //end JLo


      // Get the image using curl.
      if ($tmpFile = lr2ImageSnag_get( $url ))
      {
         // Convert the file to the thumbnail.
         //if ($newurl = lr2ImageSnag_convert( $tmpFile, $post_ID ))
		 if ($newurl = lr2ImageSnag_convert( $tmpFile, $image_name ))
         {
            $imageurl = $lr2CONFIG['snag_snagurl'].$image_name.'.png';
            $image = '<img src="'.$imageurl.'" style="'.$lr2CONFIG['snag_style'].'" class="lr2ImageSnag">';
			//JLo
			if($lr2CONFIG['snag_add_link']){
				$image = '<a href="'.$url.'" target="_blank" title="click for original image" class="lr2ImageSnag">'.$image.'</a>';
			}
			
            //$content = ereg_replace( $url, $image, $content );
			$content = ereg_replace( $line, $image, $content );


            $sql = 'UPDATE '.$tableposts.' SET post_content=\''.ereg_replace("'", "''", $content).'\' WHERE id='.$post_ID;
            $result = $wpdb->query($sql);
         }
      }
   } 
   else 
   {
      lr2ImageSnag_log('First line is not an URL.');
   }


   lr2ImageSnag_log('lr2ImageSnag: done.');
}


function lr2ImageSnag_checkdir() 
{
   global $lr2CONFIG;


   // Check to see if the dirs are there and try to create them if they aren't.
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      mkdir( $lr2CONFIG['snag_tmp'], 0777, 1 );
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      mkdir( $lr2CONFIG['snag_dir'], 0777, 1 );
   }


   // Now check to see if all the dirs exist and we can use them.
   $error = array();
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir does not exist: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir is not writable by the web server: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir does not exist: '.$lr2CONFIG['snag_dir'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir is not writable by the web server: '.$lr2CONFIG['snag_dir'].'</li>';
   }


   // Do curl and convert exist?
   $command = 'which curl 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find curl command. Please install <a href="http://curl.haxx.se/">curl</a>.</li>';
   }
   $command = 'which convert 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find convert command.  Please install <a href="http://www.imagemagick.org/script/index.php">ImageMagick</a>.</li>';
   }


   $output = array();
   $output[] = '<fieldset>';
   $output[] = '<legend><a href="http://lr2.com/pluginis/lr2ImageSnag/">lr2ImageSnag</a></legend>';
   $output[] = '<div style="margin: 5px; padding: 2px;">';
   $output[] = 'The lr2ImageSnag plugin is active.<br />';
   if (count($error))
   {
      $output[] = 'The following problems were encountered:<br />';
      $output[] = '<ul>'.implode('', $error).'</ul>';
   }
   else 
   {
      $output[] = 'Paste an image url as the first line of the post to create a thumbnail in your post.';
   }


   $output[] = '</div>';
   $output[] = '</fieldset>';


   echo implode("\n", $output);
}


// TODO Move the style into the options table when we get an lr2 plugin admin page.
function lr2ImageSnag_style()
{
   global $lr2CONFIG;


   echo "\n<style type=\"text/css\" media=\"screen\">\n";
   echo ".lr2ImageSnag { margin: 5px; float:right; }\n";
   echo "</style>\n";
   global $_REQUEST;
   if ($_REQUEST['popupurl'] && $_REQUEST['content'])
   {
      $_REQUEST['content'] = "\n\n\n<blockquote>\n".$_REQUEST['content']."\n</blockquote>\n";
   }


}


add_action('wp_head', 'lr2ImageSnag_style');
add_action('edit_form_advanced', 'lr2ImageSnag_checkdir');
add_action('simple_edit_form', 'lr2ImageSnag_checkdir');
add_action('edit_post', 'lr2ImageSnag');
add_action('save_post', 'lr2ImageSnag');
?>

<?php
/*
Plugin Name: lr2ImageSnag
Plugin URI: http://lr2.com/plugins/lr2ImageSnag/
Description: Snags an image from the web and adds it to the text when posting.  Instructions: Paste the URL of an image (not image tag) on the first line of the content.  Submit as normal and the plugin will do the rest.
Author: Anton Olsen, Jens Lojek
Author URI: http://anton.lr2.com/
Version: 0.3.3


JLo: Update 2006-02-20 : simple modification to rename the images
using:http://mydomain.tld/image.png:the_new_image_name to rename the image in the_new_image_name.png (allowed are '0-9', 'a-z', 'A-Z' and '_' and '-'
Also implemented: the image tag becomes an link to the origin url (optional)
*/ 


$lr2CONFIG['snag'] = true;                // Indicate snag is installed if other lr2 plugins care.
$lr2CONFIG['snag_log'] = true;            // Log things to the error_log.
$lr2CONFIG['snag_tmp'] = '/tmp/';         // Directory to put curled files.  *Writable by webserver.
$lr2CONFIG['snag_path'] = '/imageSnag/';  // Directory to put images relative to wordpress dir.  *Writable by webserver.
$lr2CONFIG['snag_add_link'] = true;       // If true, the image will be linked to the origin url in a new browser by click on the image
$lr2CONFIG['snag_link2full_img'] = true;  // If true, the image will be linked to the origin image located in same directoy like the thumb


// I haven't found an easy way to get the dir that WP is installed in, so we'll create it from what we do know.
$lr2CONFIG['snag_siteurl'] = get_settings('siteurl');
// http://blog.addr/path/to/imageSnag/
$lr2CONFIG['snag_snagurl'] = $lr2CONFIG['snag_siteurl'].$lr2CONFIG['snag_path'];
// /path/to/document/root/[blogdir/]imageSnag/
$lr2CONFIG['snag_dir'] = $_SERVER['DOCUMENT_ROOT'].preg_replace( '/[^\/]*\/\/[^\/]*/','',$lr2CONFIG['snag_siteurl']).$lr2CONFIG['snag_path'];


function lr2ImageSnag_log( $string )
{
   global $lr2CONFIG;


   if ($lr2CONFIG['snag_log'])
   {
      error_log('imageSnag: '.$string);
   }
}




// given an url, go fetch it and put it in the temp directory.
//
function lr2ImageSnag_get( $url )
{
   global $lr2CONFIG;


   $tmpFile = $lr2CONFIG['snag_tmp'].uniqid('imageSnag');


   // -e "url" sends a referer header pointing at the same URL.
   // This is usually enough to satisfy the anti-hotlink mod_rewrites.
   // -sS supresses nomal output (-s), but shows errors (-S).
   $command = 'curl -sS -o '.$tmpFile.' -e "'.$url.'"  "'.$url.'"';
   exec( $command, $output, $return );


   // Show the errors in the error_log for anyone who cares.
   if (count($output)) 
   {
      lr2ImageSnag_log(implode("\n", $output));
   }


   // Easy test to see if curl suceeded.
   if (file_exists($tmpFile))
   {
      return $tmpFile;
   } else {
      lr2ImageSnag_log('Error fetching the image: '.$url);
      return false;
   }
}




// given a tempfile, and a post id, convert the fetched image into the inageSnag dir.
//
//function lr2ImageSnag_convert( $tmpFile, $post_ID ) 
function lr2ImageSnag_convert( $tmpFile, $image_name ) 
{
   global $lr2CONFIG;
   global $_SERVER;


   // should be something like /path/to/document/root/[path_to_wp/]imageSnag/123.png
   //$newFile = $lr2CONFIG['snag_dir'].$post_ID.'.png';
   if($lr2CONFIG['snag_link2full_img']){
	$newFile = $lr2CONFIG['snag_dir'].$image_name.'_tn.png';
   	$fullFile = $lr2CONFIG['snag_dir'].$image_name.'.png';
   }else{
   	$newFile = $lr2CONFIG['snag_dir'].$image_name.'.png';
   }


   // Scale the image to a max of 100x100 and use only the first frame if it's animated.
   $command = 'convert -scale 100x100 '.$tmpFile.'[0] '.$newFile;
   exec( $command );
   if($lr2CONFIG['snag_link2full_img']){
   	$command = 'cp '.$tmpFile.' '.$fullFile;
	exec( $command );
   }
   unlink($tmpFile);


   // Simple check to see if convert suceeded.
   if (file_exists($newFile))
   {
      return $newFile;
   }
   else
   {
      lr2ImageSnag_log('Error converting the image: '.$command);
      return false;
   }
}




// Where it all starts.
//
function lr2ImageSnag($post_ID)
{
   global $lr2CONFIG;
   global $_SERVER;
   global $_POST;
   global $wpdb, $tableposts;


   lr2ImageSnag_log('Starting imageSnag for '.$post_ID);


   // Error handling, make sure we'll be able to write files before continuing.
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      lr2ImageSnag_log('Temp dir is not writable: '.$lr2CONFIG['snag_tmp']);
      return false;
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      lr2ImageSnag_log('Snag dir is not writable: '.$lr2CONFIG['snag_dir']);
      return false;
   }


   // We should have a post_ID handed to us, if not, try to find it.
   if (!$post_ID) {
      // Try the one posted by the form.
      $post_ID = $_POST['post_ID'];
   }


   // Grab the first line from the content.
   $content = $wpdb->get_var("SELECT post_content FROM $tableposts WHERE id = $post_ID");
   list($line) = explode("\r", $content);
   if (!$line)
   {
      // didn't get anything splitting on \r, try \n instead.
      list($line) = explode("\n", $content);
   }


   // Look to see if the first line is an URL.
   if (ereg('^http://(.+)$', $line, $regs))
   {
      //JLo Jens Lojek jl@code-in-design.de
      if(ereg('^http://(.+):([0-9a-zA-Z\_\-]*)', $line, $regs)){
          $url = 'http://' . $regs[1];
		  $image_name = $regs[2];
      }else{
          $url = $line;
		  $image_name = $post_ID;
      }
      //end JLo


      // Get the image using curl.
      if ($tmpFile = lr2ImageSnag_get( $url ))
      {
         // Convert the file to the thumbnail.
         //if ($newurl = lr2ImageSnag_convert( $tmpFile, $post_ID ))
         if ($newurl = lr2ImageSnag_convert( $tmpFile, $image_name )){
		 	if($lr2CONFIG['snag_link2full_img']){
				$imageurl = $lr2CONFIG['snag_snagurl'].$image_name.'_tn.png';	//thumbnail url
				$url = $lr2CONFIG['snag_snagurl'].$image_name.'.png';			//url to full image local
			}else{
				$imageurl = $lr2CONFIG['snag_snagurl'].$image_name.'.png';
			}
            $image = '<img src="'.$imageurl.'" style="'.$lr2CONFIG['snag_style'].'" class="lr2ImageSnag">';


            if($lr2CONFIG['snag_add_link']){
                $image = '<a href="'.$url.'" target="_blank" title="click for original image" class="lr2ImageSnag">'.$image.'</a>';
            }


            //$content = ereg_replace( $url, $image, $content );
            $content = ereg_replace( $line, $image, $content );


            $sql = 'UPDATE '.$tableposts.' SET post_content=\''.ereg_replace("'", "''", $content).'\' WHERE id='.$post_ID;
            $result = $wpdb->query($sql);
         }
      }
   } 
   else 
   {
      lr2ImageSnag_log('First line is not an URL.');
   }


   lr2ImageSnag_log('lr2ImageSnag: done.');
}


function lr2ImageSnag_checkdir() 
{
   global $lr2CONFIG;


   // Check to see if the dirs are there and try to create them if they aren't.
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      mkdir( $lr2CONFIG['snag_tmp'], 0777, 1 );
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      mkdir( $lr2CONFIG['snag_dir'], 0777, 1 );
   }


   // Now check to see if all the dirs exist and we can use them.
   $error = array();
   if (!is_dir($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir does not exist: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_tmp']))
   {
      $error[] = '<li>Temp dir is not writable by the web server: '.$lr2CONFIG['snag_tmp'].'</li>';
   }
   if (!is_dir($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir does not exist: '.$lr2CONFIG['snag_dir'].'</li>';
   }
   if (!is_writable($lr2CONFIG['snag_dir']))
   {
      $error[] = '<li>Snag dir is not writable by the web server: '.$lr2CONFIG['snag_dir'].'</li>';
   }


   // Do curl and convert exist?
   $command = 'which curl 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find curl command. Please install <a href="http://curl.haxx.se/">curl</a>.</li>';
   }
   $command = 'which convert 2>/dev/null';
   exec($command, $output);
   if (count($output)<1)
   {
      $error[] = '<li>Unable to find convert command.  Please install <a href="http://www.imagemagick.org/script/index.php">ImageMagick</a>.</li>';
   }


   $output = array();
   $output[] = '<fieldset>';
   $output[] = '<legend><a href="http://lr2.com/pluginis/lr2ImageSnag/">lr2ImageSnag</a></legend>';
   $output[] = '<div style="margin: 5px; padding: 2px;">';
   $output[] = 'The lr2ImageSnag plugin is active.<br />';
   if (count($error))
   {
      $output[] = 'The following problems were encountered:<br />';
      $output[] = '<ul>'.implode('', $error).'</ul>';
   }
   else 
   {
      $output[] = 'Paste an image url as the first line of the post to create a thumbnail in your post.';
   }


   $output[] = '</div>';
   $output[] = '</fieldset>';


   echo implode("\n", $output);
}


// TODO Move the style into the options table when we get an lr2 plugin admin page.
function lr2ImageSnag_style()
{
   global $lr2CONFIG;


   echo "\n<style type=\"text/css\" media=\"screen\">\n";
   echo ".lr2ImageSnag { margin: 5px; float:right; }\n";
   echo "</style>\n";
   global $_REQUEST;
   if ($_REQUEST['popupurl'] && $_REQUEST['content'])
   {
      $_REQUEST['content'] = "\n\n\n<blockquote>\n".$_REQUEST['content']."\n</blockquote>\n";
   }


}


add_action('wp_head', 'lr2ImageSnag_style');
add_action('edit_form_advanced', 'lr2ImageSnag_checkdir');
add_action('simple_edit_form', 'lr2ImageSnag_checkdir');
add_action('edit_post', 'lr2ImageSnag');
add_action('save_post', 'lr2ImageSnag');
?>