Import GingerCal 1.0 source

src/org/gingercal/DavException.java

@@ -0,0 +1,32 @@
+package org.gingercal;
+
+import java.io.IOException;
+
+/** A server/protocol problem with a message that can be shown to the user as-is. */
+public class DavException extends IOException {
+    public final int code;
+    /** code for redirect problems (forced HTTPS, loops); retrying another URL won't help. */
+    public static final int REDIRECT = -2;
+
+    public DavException(int code, String msg) {
+        super(msg);
+        this.code = code;
+    }
+
+    /** Thrown when the TLS certificate isn't trusted (or doesn't match the pin). */
+    public static class UntrustedCert extends IOException {
+        public final String fingerprint, subject, issuer, expires;
+        public final boolean pinMismatch;
+
+        public UntrustedCert(String fingerprint, String subject, String issuer, String expires,
+                             boolean pinMismatch) {
+            super(pinMismatch ? "Server certificate changed (does not match the pinned fingerprint)"
+                    : "Server certificate is not trusted by this phone");
+            this.fingerprint = fingerprint;
+            this.subject = subject;
+            this.issuer = issuer;
+            this.expires = expires;
+            this.pinMismatch = pinMismatch;
+        }
+    }
+}