Hasher::hashStatus_t Hasher::hash(const string& filename, string& hash) {
unsigned rhashType;
switch( p_hashType ) {
case tth: rhashType = RHASH_TTH; break;
case md5: rhashType = RHASH_MD5; break;
case sha1: rhashType = RHASH_SHA1; break;
default:
LOG(logError) << "Hasher called with no hash algorithm selected";
return noHashSelected;
}
unsigned char digest[64];
int res = rhash_file(rhashType, filename.c_str(), digest);
if( res < 0 ) {
LOG(logError) << "LibRHash error: " << strerror(errno);
return hashError;
}
char output[130];
size_t length = 0;
if( p_hashType == tth )
length = rhash_print_bytes(output, digest, rhash_get_digest_size(rhashType), RHPR_BASE32);
else
length = rhash_print_bytes(output, digest, rhash_get_digest_size(rhashType), RHPR_HEX);
hash = string(output, length);
LOG(logDetailed) << "Calculated " << rhash_get_name(rhashType) << " hash of file " << filename << ": " << hash;
return hashSuccess;
}
/*
* Class: org_sf_rhash_Bindings
* Method: rhash_print_bytes
* Signature: (JI)[B
*/
JNIEXPORT jbyteArray JNICALL Java_org_sf_rhash_Bindings_rhash_1print_1bytes
(JNIEnv *env, jclass clz, jlong ptr, jint flags) {
Digest obj = TO_DIGEST(ptr);
char output[130];
int len = rhash_print_bytes(output, obj->hash_data, obj->hash_len, flags);
jbyteArray arr = (*env)->NewByteArray(env, len);
(*env)->SetByteArrayRegion(env, arr, 0, len, (jbyte*)output);
return arr;
}
