add images

diff --git a/Images.php b/Images.php
new file mode 100644 (file)
index 0000000..325da9a
--- /dev/null
+++ b/Images.php
@@ -0,0 +1,248 @@
+<?php
+/**
+ * Deal with image delivery and HTML replacement of image links in body text.
+ *
+ * $str = Pman_Core_Images::replaceImg($str); // < use with HTML
+ *
+ * or
+ *
+ * Deliver image /file etc..
+ * 
+ * Use Cases:
+ * 
+ * args: ontable request
+ *      ontable (req) tablename.
+ *      filename
+ *      (other table args)
+ *      as (serve as a type) = eg. mimetype.
+ * 
+ * args: generic
+ *     as :(serve as a type) = eg. mimetype.
+ * 
+ * Images/{ID}/fullname.xxxx
+ * 
+ * (valid thumbs 200, 400)...?
+ * Images/Thumb/200/{ID}/fullname.xxxx
+ * Images/Download/{ID}/fullname.xxxx
+ *
+ *
+ *
+ * 
+ * Used to be in Base... now in core..
+ *
+ * 
+ * view permission should be required on the underlying object...
+ * 
+ */
+require_once  'Pman.php';
+class Pman_Core_Images extends Pman
+{
+    function getAuth()
+    {
+        parent::getAuth(); // load company!
+        //return true;
+        $au = $this->getAuthUser();
+        //if (!$au) {
+        //    die("Access denied");
+       // }
+        $this->authUser = $au;
+        
+        return true;
+    }
+    var $thumb = false;
+    var $as_mimetype = false;
+    var $method = 'inline';
+    
+    function get($s) // determin what to serve!!!!
+    {
+        $this->as_mimetype = empty($_REQUEST['as']) ? '' : $_REQUEST['as'];
+        
+        $bits= explode('/', $s);
+        $id = 0;
+        // without id as first part...
+        if (!empty($bits[0]) && $bits[0] == 'Thumb') {
+            $this->thumb = true;
+            $this->as_mimetype = 'image/jpeg';
+            $this->size = empty($bits[1]) ? '0x0' : $bits[1];
+            $id = empty($bits[2]) ? 0 :   $bits[2];
+            
+        } else if (!empty($bits[0]) && $bits[0] == 'Download') {
+            $this->method = 'attachment';
+            $id = empty($bits[1]) ? 0 :   $bits[1];
+            
+        } else  if (!empty($bits[1]) && $bits[1] == 'Thumb') { // with id as first part.
+            $this->thumb = true;
+            $this->as_mimetype = 'image/jpeg';
+            $this->size = empty($bits[2]) ? '0x0' : $bits[2];
+            $id = empty($bits[3]) ? 0 :   $bits[3];
+            
+        } else {
+            $id = empty($bits[0]) ? 0 :  $bits[0];
+        }
+        
+        if (strpos($id,':') > 0) {  // id format  tablename:id:-imgtype
+            $onbits = explode(':', $id);
+            if ((count($onbits) < 2)   || empty($onbits[1]) || !is_numeric($onbits[1]) || !strlen($onbits[0])) {
+                die("Bad url");
+            }
+            //DB_DataObject::debugLevel(1);
+            $img = DB_DataObject::factory('Images');
+            $img->ontable = $onbits[0];
+            $img->onid = $onbits[1];
+            if (empty($_REQUEST['anytype'])) {
+                $img->whereAdd("mimetype like 'image/%'");
+            }
+            
+            if (isset($onbits[2])) {
+                $img->imgtype = $onbits[2];
+            }
+            $img->limit(1);
+            if (!$img->find(true)) {
+                header('Location: ' . $this->rootURL . '/Pman/templates/images/file-broken.png?reason=' .
+                urlencode("no images for that item: " . htmlspecialchars($id)));
+            }
+            
+            $id = $img->id;
+            
+            
+        }
+        $id = (int) $id;
+        
+        // depreciated - should use ontable:onid:type here...
+        if (!empty($_REQUEST['ontable'])) {
+
+            //DB_DataObjecT::debugLevel(1);
+            $img = DB_DataObjecT::factory('Images');
+            $img->setFrom($_REQUEST);
+            // use imgtype now...
+           // if (!empty($_REQUEST['query']['filename'])){
+           //     $img->whereAdd("filename LIKE '". $img->escape($_REQUEST['query']['filename']).".%'");
+           // }
+            
+            
+            $img->limit(1);
+            if (!$img->find(true)) {
+                header('Location: ' . $this->rootURL . '/Pman/templates/images/file-broken.png?reason='. 
+                    urlencode("No file exists"));
+            } 
+            $id = $img->id;
+            
+        }
+        
+        
+       
+        $img = DB_DataObjecT::factory('Images');
+        if (!$id || !$img->get($id)) {
+             
+            header('Location: ' . $this->rootURL . '/Pman/templates/images/file-broken.png?reason=' .
+                urlencode("image has been removed or deleted."));
+        }
+        $this->serve($img);
+        exit;
+    }
+ 
+    function serve($img)
+    {
+        require_once 'File/Convert.php';
+        if (!file_exists($img->getStoreName())) {
+            //print_r($img);exit;
+            header('Location: ' . $this->rootURL . '/Pman/templates/images/file-broken.png?reason=' .
+                urlencode("Original file was missing : " . $img->getStoreName()));
+    
+        }
+        
+        $x = new File_Convert($img->getStoreName(), $img->mimetype);
+        if (empty($this->as_mimetype)) {
+            $this->as_mimetype  = $img->mimetype;
+        }
+        if (!$this->thumb) {
+            $x->convert( $this->as_mimetype);
+            $x->serve($this->method);
+            exit;
+        }
+        //echo "SKALING?  $this->size";
+        // acutally if we generated the image, then we do not need to validate the size..
+        $this->validateSize();
+        
+        $x->convert( $this->as_mimetype, $this->size);
+        $x->serve();
+        exit;
+        
+        
+        
+        
+    }
+    function validateSize()
+    {
+        
+        // DEFAULT allowed - override with $cfg['sizes'];
+        
+        $sizes = array(
+                '100', 
+                '100x100', 
+                '150', 
+                '150x150', 
+                '200', 
+                '200x0',
+                '200x200',  
+                '400x0',
+                '300x100', // logo on login.
+                '500'
+            );
+        
+        // this should be configurable...
+        $ff = HTML_FlexyFramework::get();
+        $cfg = isset($ff->Pman_Images) ? $ff->Pman_Images :
+                (isset($ff->Pman_Core_Images) ? $ff->Pman_Core_Images : array());
+        
+        
+        
+        if (!empty($cfg['sizes'])) {
+            $sizes = array_merge($sizes , $cfg['sizes']);
+        }
+        
+        
+        if (!in_array($this->size, $sizes)) {
+            die("invalid scale - ".$this->size);
+        }
+    }
+    
+    
+    
+    function replaceImg($html)
+    {
+        preg_match_all('/<img[^>]+>/i',$html, $result); 
+
+        $matches = array_unique($result[0]);
+        foreach($matches as $img) {
+            $imatch = array();
+            preg_match_all('/(width|height|src)=("[^"]*")/i',$img, $imatch);
+            // build a keymap
+            $attr =  array();
+            foreach($imatch[1] as $i=>$key) {
+                $attr[$key] = $imatch[2][$key];
+            }
+            // see if it's an image url..
+            // Images/{ID}/fullname.xxxx
+            // Images/Thumb/200/{ID}/fullname.xxxx
+            // Images/Download/{ID}/fullname.xxxx
+            $umatch  = false;
+            if(!preg_match('#/(Images|Images/Thumb/[a-z0-9]+|Images/Download)/([0-9]+)/(.*)$#', $umatch))  {
+                continue;
+            }
+            // make an image url..
+            print_R($umatch);exit;
+              
+        
+    }
+    
+}
+
+// test...
+
+Pman_Core_Images::replaceImg('
+        <img src="http://test.php/Core/Images/Thumb/200x40/34/test.png">
+        <img src="http://test.php/Images/34/test.png">
+        <img src="http://test.php/Images/Download/34/test.png">        
+        
+');
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