1 files changed, 139 insertions, 0 deletions

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+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.fourisland.instadisc.Item;
+
+import com.fourisland.instadisc.Database.Filter;
+import com.fourisland.instadisc.Database.Wrapper;
+import com.fourisland.instadisc.Item.Categories.Category;
+import com.fourisland.instadisc.XmlRpc;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author hatkirby
+ */
+public class WellFormedItem {
+
+    Item aThis;
+
+    public WellFormedItem(Item aThis) {
+        this.aThis = aThis;
+    }
+
+    public boolean check() {
+        boolean good = true;
+        good = (good ? checkForRequiredHeaders() : false);
+        good = (good ? checkForSubscription() : false);
+        good = (good ? checkForLegalCategory() : false);
+        good = (good ? Category.checkForRequiredSemantics(aThis.headerMap) : false);
+        good = (good ? checkForProperVerification() : false);
+        good = (good ? checkForFilterInvalidation() : false);
+        good = (good ? checkForSafeURL() : false);
+        return good;
+    }
+
+    private boolean checkForFilterInvalidation() {
+        boolean good = true;
+        
+        Filter[] filters = Wrapper.getAllFilter();
+        int i = 0;
+        for (i = 0; i < filters.length; i++) {
+            if (filters[i].getSubscription().equals(aThis.headerMap.get("Subscription"))) {
+                if (filters[i].getEqual())
+                {
+                    good = (good ? (!aThis.headerMap.get(filters[i].getField()).equals(filters[i].getTest())) : false);
+                } else {
+                    good = (good ? (aThis.headerMap.get(filters[i].getField()).equals(filters[i].getTest())) : false);
+                }
+            }
+        }
+        
+        return good;
+    }
+
+    private boolean checkForLegalCategory() {
+        boolean good = false;
+        good = checkForLegalCategory("blog-post", good);
+        good = checkForLegalCategory("blog-comment", good);
+        good = checkForLegalCategory("forum-post", good);
+        good = checkForLegalCategory("instadisc", good);
+        good = checkForLegalCategory("email", good);
+        return good;
+    }
+
+    private boolean checkForLegalCategory(String string, boolean good) {
+        return (good ? true : Wrapper.getSubscription(aThis.headerMap.get("Subscription")).getCategory().equals(string));
+    }
+
+    private boolean checkForProperVerification() {
+        boolean good = false;
+        try {
+            String vid = aThis.headerMap.get("Verification-ID");
+            int ivid = Integer.decode(vid);
+            Verification ver = new Verification(ivid);
+            good = aThis.headerMap.get("Verification").equals(ver.getHash());
+        } catch (VerificationIDReusedException ex) {
+            XmlRpc xmlrpc = new XmlRpc("resendItem");
+            String id = aThis.headerMap.get("ID");
+            int iid = Integer.decode(id);
+            xmlrpc.addParam(iid);
+            xmlrpc.execute();
+        } catch (Exception ex) {
+            Logger.getLogger(WellFormedItem.class.getName()).log(Level.SEVERE, null, ex);
+        }
+        return good;
+    }
+
+    private boolean checkForRequiredHeaders() {
+        boolean good = true;
+        good = (good ? checkForRequiredHeader("ID") : false);
+        good = (good ? checkForRequiredHeader("Verification") : false);
+        good = (good ? checkForRequiredHeader("Verification-ID") : false);
+        good = (good ? checkForRequiredHeader("Subscription") : false);
+        good = (good ? checkForRequiredHeader("Title") : false);
+        good = (good ? checkForRequiredHeader("Author") : false);
+        good = (good ? checkForRequiredHeader("URL") : false);
+        return good;
+    }
+
+    private boolean checkForRequiredHeader(String string) {
+        return checkForRequiredHeader(aThis.headerMap, string);
+    }
+    
+    public static boolean checkForRequiredHeader(HashMap<String, String> headerMap, String string)
+    {
+        return headerMap.containsKey(string);
+    }
+
+    private boolean checkForSafeURL() {
+        try {
+            URL url = new URL(aThis.headerMap.get("URL"));
+            URI subUrl = new URI(aThis.headerMap.get("Subscription"));
+            
+            return url.getHost().equals(subUrl.getHost());
+        } catch (URISyntaxException ex) {
+            Logger.getLogger(WellFormedItem.class.getName()).log(Level.SEVERE, null, ex);
+            return false;
+        } catch (MalformedURLException ex) {
+            Logger.getLogger(WellFormedItem.class.getName()).log(Level.SEVERE, null, ex);
+            return false;
+        }
+    }
+
+    private boolean checkForSubscription() {
+        boolean good = Wrapper.existsSubscription(aThis.headerMap.get("Subscription"));
+        if (!good)
+        {
+            SubscriptionFile.deleteSubscription(Wrapper.getSubscription(aThis.headerMap.get("Subscription")), false);
+        }
+        return good;
+    }
+}