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-rw-r--r--platform/android/jni/mupdf.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/platform/android/jni/mupdf.c b/platform/android/jni/mupdf.c
index 927fef3c..04f1ceff 100644
--- a/platform/android/jni/mupdf.c
+++ b/platform/android/jni/mupdf.c
@@ -514,6 +514,22 @@ JNI_FN(MuPDFCore_fileFormatInternal)(JNIEnv * env, jobject thiz)
return (*env)->NewStringUTF(env, info);
}
+JNIEXPORT jboolean JNICALL
+JNI_FN(MuPDFCore_isUnencryptedPDFInternal)(JNIEnv * env, jobject thiz)
+{
+ globals *glo = get_globals_any_thread(env, thiz);
+ if (glo == NULL)
+ return JNI_FALSE;
+
+ pdf_document *idoc = pdf_specifics(glo->doc);
+ if (idoc == NULL)
+ return JNI_FALSE; // Not a PDF
+
+ int cryptVer = pdf_crypt_version(idoc);
+ return (cryptVer == 0) ? JNI_TRUE : JNI_FALSE;
+}
+
+
JNIEXPORT void JNICALL
JNI_FN(MuPDFCore_gotoPageInternal)(JNIEnv *env, jobject thiz, int page)
{