Python pem_blocks_from_file Examples

Example #1

File: cert.py Project: maxjiangj/certificate-transparency

def certs_from_pem_file(pem_file, skip_invalid_blobs=False, strict_der=True):
    """Read multiple PEM-encoded certificates from a file.

    Args:
        pem_file: the certificate file.
        skip_invalid_blobs: if False, invalid PEM blobs cause a PemError.
            If True, invalid blobs are skipped. In non-skip mode, an
            immediate StopIteration before any valid blocks are found also
            causes a PemError exception.
        strict_der: if False, tolerate some non-fatal DER errors.

    Yields:
        Certificate objects.

    Raises:
        ct.crypto.pem.PemError, ct.crypto.error.ASN1Error:
            a block was invalid
        IOError: the file could not be read.
    """
    for der_cert, _ in pem.pem_blocks_from_file(
        pem_file, Certificate.PEM_MARKERS,
        skip_invalid_blobs=skip_invalid_blobs):
        try:
            yield Certificate.from_der(der_cert, strict_der=strict_der)
        except error.ASN1Error:
            if not skip_invalid_blobs:
                raise

Example #2

File: cert.py Project: woggle/certificate-transparency

def certs_from_pem_file(pem_file, skip_invalid_blobs=False, strict_der=True):
    """Read multiple PEM-encoded certificates from a file.

    Args:
        pem_file: the certificate file.
        skip_invalid_blobs: if False, invalid PEM blobs cause a PemError.
            If True, invalid blobs are skipped. In non-skip mode, an
            immediate StopIteration before any valid blocks are found also
            causes a PemError exception.
        strict_der: if False, tolerate some non-fatal DER errors.

    Yields:
        Certificate objects.

    Raises:
        ct.crypto.pem.PemError, ct.crypto.error.ASN1Error:
            a block was invalid
        IOError: the file could not be read.
    """
    for der_cert, _ in pem.pem_blocks_from_file(
        pem_file, Certificate.PEM_MARKERS,
        skip_invalid_blobs=skip_invalid_blobs):
        try:
            yield Certificate.from_der(der_cert, strict_der=strict_der)
        except error.ASN1Error:
            if not skip_invalid_blobs:
                raise

Example #3

File: pem_test.py Project: AlCutter/certificate-transparency

 def test_pem_blocks_from_file(self):
     name = self.create_temp_file(self.PEM_BLOB)
     gen = pem.pem_blocks_from_file(name, (self.MARKER,))
     self.assertEqual((self.BLOB, self.MARKER), gen.next())
     self.assertRaises(StopIteration, gen.next)

Example #4

File: pem_test.py Project: R-Labqurzor/sky-zadro-docs

 def test_pem_blocks_from_file(self):
     name = self.create_temp_file(self.PEM_BLOB)
     gen = pem.pem_blocks_from_file(name, (self.MARKER, ))
     self.assertEqual((self.BLOB, self.MARKER), gen.next())
     self.assertRaises(StopIteration, gen.next)