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weblogic的CustomDBMSAuthenticatorPlugin返回密碼的解析在這個地方

http://www.scribd.com/doc/76413826/161/Managing-RDBMS-Authentication

private String parsePassword(String passInStr)

{

if ((passInStr == null) || (passInStr.length() < 1)) {

if (this.allowPlaintext)

return passInStr;

throw new PasswordHashException(ProvidersLogger.getPlaintextPasswordUsageRejected());

}

char[] passIn = passInStr.toCharArray();

if (passIn[0] != '{')

{

if (this.allowPlaintext)

return passInStr;

throw new PasswordHashException(ProvidersLogger.getUnableParseHashedPassword());

}

int i = 1;

while ((i < passIn.length) && (passIn[i] != '}'))

i++;

if (i >= passIn.length)

{

if (this.allowPlaintext)

return passInStr;

throw new PasswordHashException(ProvidersLogger.getUnableParseHashedPassword());

}

String algorithm = new String(passIn, 1, i - 1);

int offset = i + 1;

try

{

this.hashAlg = getHashAlgorithm(algorithm);

} catch (PasswordHashException e) {

if (this.allowPlaintext)

return passInStr;

throw e;

}

if ((this.hashAlg == null) || (this.hashAlg.getB64Size() == -1)) {

this.hashAlg = null;

if (this.allowPlaintext)

return passInStr;

throw new PasswordHashException(ProvidersLogger.getUnableParseHashedPassword());

}

int totalRemaining = passIn.length - offset;

int saltSize = totalRemaining - this.hashAlg.getB64Size();

if (saltSize < 0) {

this.hashAlg = null;

if (this.allowPlaintext)

return passInStr;

throw new PasswordHashException(ProvidersLogger.getUnableParseHashedPassword());

}

if (saltSize > 0) {

this.salt = new String(passIn, offset, saltSize);

offset += saltSize;

}

char[] encodedPwdHashFromDB = new char[passIn.length - offset];

System.arraycopy(passIn, offset, encodedPwdHashFromDB, 0, passIn.length - offset);

return new String(encodedPwdHashFromDB);

}

posted on 2012-04-27 14:27 wilesun 閱讀(438) 評論(0) 編輯收藏

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