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Bug 56076 - Add document protection with password support to XWPF

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Bug 56077 - Add password hash function to HWPF

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1570750 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andreas Beeker 2014-02-21 23:19:57 +00:00
parent 31493632ea
commit 833ae007f8
5 changed files with 432 additions and 12 deletions
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159
src/java/org/apache/poi/poifs/crypt/CryptoFunctions.java
View File

@ -16,7 +16,7 @@
==================================================================== */
package org.apache.poi.poifs.crypt;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.security.DigestException;
import java.security.GeneralSecurityException;
import java.security.MessageDigest;
@ -74,6 +74,23 @@ public class CryptoFunctions {
* @return the hashed password
*/
public static byte[] hashPassword(String password, HashAlgorithm hashAlgorithm, byte salt[], int spinCount) {
return hashPassword(password, hashAlgorithm, salt, spinCount, true);
}
/**
* Generalized method for read and write protection hash generation.
* The difference is, read protection uses the order iterator then hash in the hash loop, whereas write protection
* uses first the last hash value and then the current iterator value
*
* @param password
* @param hashAlgorithm
* @param salt
* @param spinCount
* @param iteratorFirst if true, the iterator is hashed before the n-1 hash value,
* if false the n-1 hash value is applied first
* @return the hashed password
*/
public static byte[] hashPassword(String password, HashAlgorithm hashAlgorithm, byte salt[], int spinCount, boolean iteratorFirst) {
// If no password was given, use the default
if (password == null) {
password = Decryptor.DEFAULT_PASSWORD;
@ -85,12 +102,15 @@ public class CryptoFunctions {
byte[] hash = hashAlg.digest(getUtf16LeString(password));
byte[] iterator = new byte[LittleEndianConsts.INT_SIZE];
byte[] first = (iteratorFirst ? iterator : hash);
byte[] second = (iteratorFirst ? hash : iterator);
try {
for (int i = 0; i < spinCount; i++) {
LittleEndian.putInt(iterator, 0, i);
hashAlg.reset();
hashAlg.update(iterator);
hashAlg.update(hash);
hashAlg.update(first);
hashAlg.update(second);
hashAlg.digest(hash, 0, hash.length); // don't create hash buffer everytime new
}
} catch (DigestException e) {
@ -222,11 +242,7 @@ public class CryptoFunctions {
}
public static byte[] getUtf16LeString(String str) {
try {
return str.getBytes("UTF-16LE");
} catch (UnsupportedEncodingException e) {
throw new EncryptedDocumentException(e);
}
return str.getBytes(Charset.forName("UTF-16LE"));
}
public static MessageDigest getMessageDigest(HashAlgorithm hashAlgorithm) {
@ -265,4 +281,131 @@ public class CryptoFunctions {
throw new EncryptedDocumentException("Only the BouncyCastle provider supports your encryption settings - please add it to the classpath.");
}
}
private static final int InitialCodeArray[] = {
0xE1F0, 0x1D0F, 0xCC9C, 0x84C0, 0x110C, 0x0E10, 0xF1CE,
0x313E, 0x1872, 0xE139, 0xD40F, 0x84F9, 0x280C, 0xA96A,
0x4EC3
};
private static final int EncryptionMatrix[][] = {
/* char 1 */ {0xAEFC, 0x4DD9, 0x9BB2, 0x2745, 0x4E8A, 0x9D14, 0x2A09},
/* char 2 */ {0x7B61, 0xF6C2, 0xFDA5, 0xEB6B, 0xC6F7, 0x9DCF, 0x2BBF},
/* char 3 */ {0x4563, 0x8AC6, 0x05AD, 0x0B5A, 0x16B4, 0x2D68, 0x5AD0},
/* char 4 */ {0x0375, 0x06EA, 0x0DD4, 0x1BA8, 0x3750, 0x6EA0, 0xDD40},
/* char 5 */ {0xD849, 0xA0B3, 0x5147, 0xA28E, 0x553D, 0xAA7A, 0x44D5},
/* char 6 */ {0x6F45, 0xDE8A, 0xAD35, 0x4A4B, 0x9496, 0x390D, 0x721A},
/* char 7 */ {0xEB23, 0xC667, 0x9CEF, 0x29FF, 0x53FE, 0xA7FC, 0x5FD9},
/* char 8 */ {0x47D3, 0x8FA6, 0x0F6D, 0x1EDA, 0x3DB4, 0x7B68, 0xF6D0},
/* char 9 */ {0xB861, 0x60E3, 0xC1C6, 0x93AD, 0x377B, 0x6EF6, 0xDDEC},
/* char 10 */ {0x45A0, 0x8B40, 0x06A1, 0x0D42, 0x1A84, 0x3508, 0x6A10},
/* char 11 */ {0xAA51, 0x4483, 0x8906, 0x022D, 0x045A, 0x08B4, 0x1168},
/* char 12 */ {0x76B4, 0xED68, 0xCAF1, 0x85C3, 0x1BA7, 0x374E, 0x6E9C},
/* char 13 */ {0x3730, 0x6E60, 0xDCC0, 0xA9A1, 0x4363, 0x86C6, 0x1DAD},
/* char 14 */ {0x3331, 0x6662, 0xCCC4, 0x89A9, 0x0373, 0x06E6, 0x0DCC},
/* char 15 */ {0x1021, 0x2042, 0x4084, 0x8108, 0x1231, 0x2462, 0x48C4}
};
/**
* This method generates the xored-hashed password for word documents &lt; 2007.
* Its output will be used as password input for the newer word generations which
* utilize a real hashing algorithm like sha1.
*
* Although the code was taken from the "see"-link below, this looks similar
* to the method in [MS-OFFCRYPTO] 2.3.7.2 Binary Document XOR Array Initialization Method 1.
*
* @param password
* @return the hashed password
*
* @see <a href="http://blogs.msdn.com/b/vsod/archive/2010/04/05/how-to-set-the-editing-restrictions-in-word-using-open-xml-sdk-2-0.aspx">How to set the editing restrictions in Word using Open XML SDK 2.0</a>
* @see <a href="http://www.aspose.com/blogs/aspose-blogs/vladimir-averkin/archive/2007/08/20/funny-how-the-new-powerful-cryptography-implemented-in-word-2007-turns-it-into-a-perfect-tool-for-document-password-removal.html">Funny: How the new powerful cryptography implemented in Word 2007 turns it into a perfect tool for document password removal.</a>
*/
public static int xorHashPasswordAsInt(String password) {
//Array to hold Key Values
byte[] generatedKey = new byte[4];
//Maximum length of the password is 15 chars.
final int intMaxPasswordLength = 15;
if (!"".equals(password)) {
// Truncate the password to 15 characters
password = password.substring(0, Math.min(password.length(), intMaxPasswordLength));
// Construct a new NULL-terminated string consisting of single-byte characters:
// -- > Get the single-byte values by iterating through the Unicode characters of the truncated Password.
// --> For each character, if the low byte is not equal to 0, take it. Otherwise, take the high byte.
byte[] arrByteChars = new byte[password.length()];
for (int i = 0; i < password.length(); i++) {
int intTemp = password.charAt(i);
byte lowByte = (byte)(intTemp & 0x00FF);
byte highByte = (byte)((intTemp & 0xFF00) >> 8);
arrByteChars[i] = (lowByte != 0 ? lowByte : highByte);
}
// Compute the high-order word of the new key:
// --> Initialize from the initial code array (see below), depending on the passwords length.
int highOrderWord = InitialCodeArray[arrByteChars.length - 1];
// --> For each character in the password:
// --> For every bit in the character, starting with the least significant and progressing to (but excluding)
// the most significant, if the bit is set, XOR the keys high-order word with the corresponding word from
// the Encryption Matrix
for (int i = 0; i < arrByteChars.length; i++) {
int tmp = intMaxPasswordLength - arrByteChars.length + i;
for (int intBit = 0; intBit < 7; intBit++) {
if ((arrByteChars[i] & (0x0001 << intBit)) != 0) {
highOrderWord ^= EncryptionMatrix[tmp][intBit];
}
}
}
// Compute the low-order word of the new key:
// Initialize with 0
int lowOrderWord = 0;
// For each character in the password, going backwards
for (int i = arrByteChars.length - 1; i >= 0; i--) {
// low-order word = (((low-order word SHR 14) AND 0x0001) OR (low-order word SHL 1) AND 0x7FFF)) XOR character
lowOrderWord = (((lowOrderWord >> 14) & 0x0001) | ((lowOrderWord << 1) & 0x7FFF)) ^ arrByteChars[i];
}
// Lastly,low-order word = (((low-order word SHR 14) AND 0x0001) OR (low-order word SHL 1) AND 0x7FFF)) XOR password length XOR 0xCE4B.
lowOrderWord = (((lowOrderWord >> 14) & 0x0001) | ((lowOrderWord << 1) & 0x7FFF)) ^ arrByteChars.length ^ 0xCE4B;
// The byte order of the result shall be reversed [password "Example": 0x64CEED7E becomes 7EEDCE64],
// and that value shall be hashed as defined by the attribute values.
LittleEndian.putShort(generatedKey, 0, (short)lowOrderWord);
LittleEndian.putShort(generatedKey, 2, (short)highOrderWord);
}
return LittleEndian.getInt(generatedKey);
}
/**
* This method generates the xored-hashed password for word documents &lt; 2007.
*/
public static String xorHashPassword(String password) {
int hashedPassword = xorHashPasswordAsInt(password);
return String.format("%1$08X", hashedPassword);
}
/**
* Convenience function which returns the reversed xored-hashed password for further
* processing in word documents 2007 and newer, which utilize a real hashing algorithm like sha1.
*/
public static String xorHashPasswordReversed(String password) {
int hashedPassword = xorHashPasswordAsInt(password);
return String.format("%1$02X%2$02X%3$02X%4$02X"
, ( hashedPassword >>> 0 ) & 0xFF
, ( hashedPassword >>> 8 ) & 0xFF
, ( hashedPassword >>> 16 ) & 0xFF
, ( hashedPassword >>> 24 ) & 0xFF
);
}
}

91
src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFDocument.java
View File

@ -47,6 +47,7 @@ import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.openxml4j.opc.PackageRelationshipTypes;
import org.apache.poi.openxml4j.opc.PackagingURIHelper;
import org.apache.poi.openxml4j.opc.TargetMode;
import org.apache.poi.poifs.crypt.HashAlgorithm;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.IdentifierManager;
import org.apache.poi.util.Internal;
@ -993,6 +994,26 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
settings.setEnforcementEditValue(STDocProtect.READ_ONLY);
}
/**
* Enforces the readOnly protection with a password.<br/>
* <br/>
* sample snippet from settings.xml
* <pre>
* &lt;w:documentProtection w:edit=&quot;readOnly&quot; w:enforcement=&quot;1&quot;
* w:cryptProviderType=&quot;rsaAES&quot; w:cryptAlgorithmClass=&quot;hash&quot;
* w:cryptAlgorithmType=&quot;typeAny&quot; w:cryptAlgorithmSid=&quot;14&quot;
* w:cryptSpinCount=&quot;100000&quot; w:hash=&quot;...&quot; w:salt=&quot;....&quot;
* /&gt;
* </pre>
*
* @param password the plaintext password, if null no password will be applied
* @param hashAlgo the hash algorithm - only md2, m5, sha1, sha256, sha384 and sha512 are supported.
* if null, it will default default to sha1
*/
public void enforceReadonlyProtection(String password, HashAlgorithm hashAlgo) {
settings.setEnforcementEditValue(STDocProtect.READ_ONLY, password, hashAlgo);
}
/**
* Enforce the Filling Forms protection.<br/>
* In the documentProtection tag inside settings.xml file, <br/>
@ -1009,6 +1030,26 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
settings.setEnforcementEditValue(STDocProtect.FORMS);
}
/**
* Enforce the Filling Forms protection.<br/>
* <br/>
* sample snippet from settings.xml
* <pre>
* &lt;w:documentProtection w:edit=&quot;forms&quot; w:enforcement=&quot;1&quot;
* w:cryptProviderType=&quot;rsaAES&quot; w:cryptAlgorithmClass=&quot;hash&quot;
* w:cryptAlgorithmType=&quot;typeAny&quot; w:cryptAlgorithmSid=&quot;14&quot;
* w:cryptSpinCount=&quot;100000&quot; w:hash=&quot;...&quot; w:salt=&quot;....&quot;
* /&gt;
* </pre>
*
* @param password the plaintext password, if null no password will be applied
* @param hashAlgo the hash algorithm - only md2, m5, sha1, sha256, sha384 and sha512 are supported.
* if null, it will default default to sha1
*/
public void enforceFillingFormsProtection(String password, HashAlgorithm hashAlgo) {
settings.setEnforcementEditValue(STDocProtect.FORMS, password, hashAlgo);
}
/**
* Enforce the Comments protection.<br/>
* In the documentProtection tag inside settings.xml file,<br/>
@ -1025,6 +1066,26 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
settings.setEnforcementEditValue(STDocProtect.COMMENTS);
}
/**
* Enforce the Comments protection.<br/>
* <br/>
* sample snippet from settings.xml
* <pre>
* &lt;w:documentProtection w:edit=&quot;comments&quot; w:enforcement=&quot;1&quot;
* w:cryptProviderType=&quot;rsaAES&quot; w:cryptAlgorithmClass=&quot;hash&quot;
* w:cryptAlgorithmType=&quot;typeAny&quot; w:cryptAlgorithmSid=&quot;14&quot;
* w:cryptSpinCount=&quot;100000&quot; w:hash=&quot;...&quot; w:salt=&quot;....&quot;
* /&gt;
* </pre>
*
* @param password the plaintext password, if null no password will be applied
* @param hashAlgo the hash algorithm - only md2, m5, sha1, sha256, sha384 and sha512 are supported.
* if null, it will default default to sha1
*/
public void enforceCommentsProtection(String password, HashAlgorithm hashAlgo) {
settings.setEnforcementEditValue(STDocProtect.COMMENTS, password, hashAlgo);
}
/**
* Enforce the Tracked Changes protection.<br/>
* In the documentProtection tag inside settings.xml file, <br/>
@ -1041,6 +1102,36 @@ public class XWPFDocument extends POIXMLDocument implements Document, IBody {
settings.setEnforcementEditValue(STDocProtect.TRACKED_CHANGES);
}
/**
* Enforce the Tracked Changes protection.<br/>
* <br/>
* sample snippet from settings.xml
* <pre>
* &lt;w:documentProtection w:edit=&quot;trackedChanges&quot; w:enforcement=&quot;1&quot;
* w:cryptProviderType=&quot;rsaAES&quot; w:cryptAlgorithmClass=&quot;hash&quot;
* w:cryptAlgorithmType=&quot;typeAny&quot; w:cryptAlgorithmSid=&quot;14&quot;
* w:cryptSpinCount=&quot;100000&quot; w:hash=&quot;...&quot; w:salt=&quot;....&quot;
* /&gt;
* </pre>
*
* @param password the plaintext password, if null no password will be applied
* @param hashAlgo the hash algorithm - only md2, m5, sha1, sha256, sha384 and sha512 are supported.
* if null, it will default default to sha1
*/
public void enforceTrackedChangesProtection(String password, HashAlgorithm hashAlgo) {
settings.setEnforcementEditValue(STDocProtect.TRACKED_CHANGES, password, hashAlgo);
}
/**
* Validates the existing password
*
* @param password
* @return true, only if password was set and equals, false otherwise
*/
public boolean validateProtectionPassword(String password) {
return settings.validateProtectionPassword(password);
}
/**
* Remove protection enforcement.<br/>
* In the documentProtection tag inside settings.xml file <br/>

153
src/ooxml/java/org/apache/poi/xwpf/usermodel/XWPFSettings.java
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@ -20,19 +20,27 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.openxml4j.opc.PackagePart;
import org.apache.poi.openxml4j.opc.PackageRelationship;
import org.apache.poi.poifs.crypt.CryptoFunctions;
import org.apache.poi.poifs.crypt.HashAlgorithm;
import org.apache.xmlbeans.XmlOptions;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTDocProtect;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTOnOff;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTSettings;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTZoom;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STAlgClass;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STAlgType;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STCryptProv;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STDocProtect;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STOnOff;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.SettingsDocument;
@ -139,6 +147,150 @@ public class XWPFSettings extends POIXMLDocumentPart {
safeGetDocumentProtection().setEdit(editValue);
}
/**
* Enforces the protection with the option specified by passed editValue and password.<br/>
* <br/>
* sample snippet from settings.xml
* <pre>
* &lt;w:documentProtection w:edit=&quot;[passed editValue]&quot; w:enforcement=&quot;1&quot;
* w:cryptProviderType=&quot;rsaAES&quot; w:cryptAlgorithmClass=&quot;hash&quot;
* w:cryptAlgorithmType=&quot;typeAny&quot; w:cryptAlgorithmSid=&quot;14&quot;
* w:cryptSpinCount=&quot;100000&quot; w:hash=&quot;...&quot; w:salt=&quot;....&quot;
* /&gt;
* </pre>
*
* @param editValue the protection type
* @param password the plaintext password, if null no password will be applied
* @param hashAlgo the hash algorithm - only md2, m5, sha1, sha256, sha384 and sha512 are supported.
* if null, it will default default to sha1
*/
public void setEnforcementEditValue(org.openxmlformats.schemas.wordprocessingml.x2006.main.STDocProtect.Enum editValue,
String password, HashAlgorithm hashAlgo) {
safeGetDocumentProtection().setEnforcement(STOnOff.X_1);
safeGetDocumentProtection().setEdit(editValue);
if (password == null) {
if (safeGetDocumentProtection().isSetCryptProviderType()) {
safeGetDocumentProtection().unsetCryptProviderType();
}
if (safeGetDocumentProtection().isSetCryptAlgorithmClass()) {
safeGetDocumentProtection().unsetCryptAlgorithmClass();
}
if (safeGetDocumentProtection().isSetCryptAlgorithmType()) {
safeGetDocumentProtection().unsetCryptAlgorithmType();
}
if (safeGetDocumentProtection().isSetCryptAlgorithmSid()) {
safeGetDocumentProtection().unsetCryptAlgorithmSid();
}
if (safeGetDocumentProtection().isSetSalt()) {
safeGetDocumentProtection().unsetSalt();
}
if (safeGetDocumentProtection().isSetCryptSpinCount()) {
safeGetDocumentProtection().unsetCryptSpinCount();
}
if (safeGetDocumentProtection().isSetHash()) {
safeGetDocumentProtection().unsetHash();
}
} else {
final STCryptProv.Enum providerType;
final int sid;
switch (hashAlgo) {
case md2:
providerType = STCryptProv.RSA_FULL;
sid = 1;
break;
// md4 is not supported by JCE
case md5:
providerType = STCryptProv.RSA_FULL;
sid = 3;
break;
case sha1:
providerType = STCryptProv.RSA_FULL;
sid = 4;
break;
case sha256:
providerType = STCryptProv.RSA_AES;
sid = 12;
break;
case sha384:
providerType = STCryptProv.RSA_AES;
sid = 13;
break;
case sha512:
providerType = STCryptProv.RSA_AES;
sid = 14;
break;
default:
throw new EncryptedDocumentException
("Hash algorithm '"+hashAlgo+"' is not supported for document write protection.");
}
SecureRandom random = new SecureRandom();
byte salt[] = random.generateSeed(16);
// Iterations specifies the number of times the hashing function shall be iteratively run (using each
// iteration's result as the input for the next iteration).
int spinCount = 100000;
if (hashAlgo == null) hashAlgo = HashAlgorithm.sha1;
String legacyHash = CryptoFunctions.xorHashPasswordReversed(password);
// Implementation Notes List:
// --> In this third stage, the reversed byte order legacy hash from the second stage shall
// be converted to Unicode hex string representation
byte hash[] = CryptoFunctions.hashPassword(legacyHash, hashAlgo, salt, spinCount, false);
safeGetDocumentProtection().setSalt(salt);
safeGetDocumentProtection().setHash(hash);
safeGetDocumentProtection().setCryptSpinCount(BigInteger.valueOf(spinCount));
safeGetDocumentProtection().setCryptAlgorithmType(STAlgType.TYPE_ANY);
safeGetDocumentProtection().setCryptAlgorithmClass(STAlgClass.HASH);
safeGetDocumentProtection().setCryptProviderType(providerType);
safeGetDocumentProtection().setCryptAlgorithmSid(BigInteger.valueOf(sid));
}
}
/**
* Validates the existing password
*
* @param password
* @return true, only if password was set and equals, false otherwise
*/
public boolean validateProtectionPassword(String password) {
BigInteger sid = safeGetDocumentProtection().getCryptAlgorithmSid();
byte hash[] = safeGetDocumentProtection().getHash();
byte salt[] = safeGetDocumentProtection().getSalt();
BigInteger spinCount = safeGetDocumentProtection().getCryptSpinCount();
if (sid == null || hash == null || salt == null || spinCount == null) return false;
HashAlgorithm hashAlgo;
switch (sid.intValue()) {
case 1: hashAlgo = HashAlgorithm.md2; break;
case 3: hashAlgo = HashAlgorithm.md5; break;
case 4: hashAlgo = HashAlgorithm.sha1; break;
case 12: hashAlgo = HashAlgorithm.sha256; break;
case 13: hashAlgo = HashAlgorithm.sha384; break;
case 14: hashAlgo = HashAlgorithm.sha512; break;
default: return false;
}
String legacyHash = CryptoFunctions.xorHashPasswordReversed(password);
// Implementation Notes List:
// --> In this third stage, the reversed byte order legacy hash from the second stage shall
// be converted to Unicode hex string representation
byte hash2[] = CryptoFunctions.hashPassword(legacyHash, hashAlgo, salt, spinCount.intValue(), false);
return Arrays.equals(hash, hash2);
}
/**
* Removes protection enforcement.<br/>
* In the documentProtection tag inside settings.xml file <br/>
@ -204,5 +356,4 @@ public class XWPFSettings extends POIXMLDocumentPart {
throw new RuntimeException(e);
}
}
}

41
src/ooxml/testcases/org/apache/poi/xwpf/TestDocumentProtection.java
View File

@ -16,19 +16,25 @@
==================================================================== */
package org.apache.poi.xwpf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import junit.framework.TestCase;
import org.apache.poi.poifs.crypt.CryptoFunctions;
import org.apache.poi.poifs.crypt.HashAlgorithm;
import org.apache.poi.util.TempFile;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.junit.Test;
public class TestDocumentProtection extends TestCase {
public class TestDocumentProtection {
@Test
public void testShouldReadEnforcementProperties() throws Exception {
XWPFDocument documentWithoutDocumentProtectionTag = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
@ -69,6 +75,7 @@ public class TestDocumentProtection extends TestCase {
}
@Test
public void testShouldEnforceForReadOnly() throws Exception {
// XWPFDocument document = createDocumentFromSampleFile("test-data/document/documentProtection_no_protection.docx");
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
@ -79,6 +86,7 @@ public class TestDocumentProtection extends TestCase {
assertTrue(document.isEnforcedReadonlyProtection());
}
@Test
public void testShouldEnforceForFillingForms() throws Exception {
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
assertFalse(document.isEnforcedFillingFormsProtection());
@ -88,6 +96,7 @@ public class TestDocumentProtection extends TestCase {
assertTrue(document.isEnforcedFillingFormsProtection());
}
@Test
public void testShouldEnforceForComments() throws Exception {
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
assertFalse(document.isEnforcedCommentsProtection());
@ -97,6 +106,7 @@ public class TestDocumentProtection extends TestCase {
assertTrue(document.isEnforcedCommentsProtection());
}
@Test
public void testShouldEnforceForTrackedChanges() throws Exception {
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_no_protection.docx");
assertFalse(document.isEnforcedTrackedChangesProtection());
@ -106,6 +116,7 @@ public class TestDocumentProtection extends TestCase {
assertTrue(document.isEnforcedTrackedChangesProtection());
}
@Test
public void testShouldUnsetEnforcement() throws Exception {
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("documentProtection_readonly_no_password.docx");
assertTrue(document.isEnforcedReadonlyProtection());
@ -115,6 +126,7 @@ public class TestDocumentProtection extends TestCase {
assertFalse(document.isEnforcedReadonlyProtection());
}
@Test
public void testIntegration() throws Exception {
XWPFDocument doc = new XWPFDocument();
@ -137,6 +149,7 @@ public class TestDocumentProtection extends TestCase {
assertTrue(document.isEnforcedCommentsProtection());
}
@Test
public void testUpdateFields() throws Exception {
XWPFDocument doc = new XWPFDocument();
assertFalse(doc.isEnforcedUpdateFields());
@ -144,4 +157,26 @@ public class TestDocumentProtection extends TestCase {
assertTrue(doc.isEnforcedUpdateFields());
}
@Test
public void bug56076_read() throws Exception {
// test legacy xored-hashed password
assertEquals("64CEED7E", CryptoFunctions.xorHashPassword("Example"));
// check leading 0
assertEquals("0005CB00", CryptoFunctions.xorHashPassword("34579"));
// test document write protection with password
XWPFDocument document = XWPFTestDataSamples.openSampleDocument("bug56076.docx");
boolean isValid = document.validateProtectionPassword("Example");
assertTrue(isValid);
}
@Test
public void bug56076_write() throws Exception {
// test document write protection with password
XWPFDocument document = new XWPFDocument();
document.enforceCommentsProtection("Example", HashAlgorithm.sha512);
document = XWPFTestDataSamples.writeOutAndReadBack(document);
boolean isValid = document.validateProtectionPassword("Example");
assertTrue(isValid);
}
}

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