Fix plugin to work with new output validation, add new helpers

Add a new get_subject() helper and return the subject when retrieving
certificates.

Add a normalizer so that everything before and after the BEGIN/END
block is removed.

ipalib/plugins/cert.py

@@ -64,6 +64,31 @@ def get_serial(certificate):
 
     return serial
 
+def get_subject(certificate):
+    """
+    Given a certificate, return the subject
+
+    In theory there should be only one cert per object so even if we get
+    passed in a list/tuple only return the first one.
+    """
+    if type(certificate) in (list, tuple):
+        certificate = certificate[0]
+    try:
+        certificate = base64.b64decode(certificate)
+    except Exception, e:
+        pass
+    try:
+        sub = list(x509.get_subject_components(certificate, type=x509.DER))
+        sub.reverse()
+    except PyAsn1Error:
+        raise errors.CertificateOperationError(error=_('Unable to decode certificate in entry'))
+
+    subject = ""
+    for s in sub:
+        subject = subject + "%s=%s," % (s[0], s[1])
+
+    return subject[:-1]
+
 def get_csr_hostname(csr):
     """
     Return the value of CN in the subject of the request
@@ -113,6 +138,25 @@ def validate_csr(ugettext, csr):
     except Exception, e:
         raise errors.CertificateOperationError(error=_('Failure decoding Certificate Signing Request: %s') % str(e))
 
+def normalize_csr(csr):
+    """
+    Strip any leading and trailing cruft around the BEGIN/END block
+    """
+    end_len = 37
+    s = csr.find('-----BEGIN NEW CERTIFICATE REQUEST-----')
+    if s == -1:
+        s = csr.find('-----BEGIN CERTIFICATE REQUEST-----')
+    e = csr.find('-----END NEW CERTIFICATE REQUEST-----')
+    if e == -1:
+        e = csr.find('-----END CERTIFICATE REQUEST-----')
+        if e != -1:
+            end_len = 33
+
+    if s > -1 and e > -1:
+        # We're normalizing here, not validating
+        csr = csr[s:e+end_len]
+
+    return csr
 
 class cert_request(VirtualCommand):
     """
@@ -122,6 +166,7 @@ class cert_request(VirtualCommand):
     takes_args = (
         File('csr', validate_csr,
             cli_name='csr_file',
+            normalizer=normalize_csr,
         ),
     )
     operation="request certificate"
@@ -242,12 +287,6 @@ class cert_request(VirtualCommand):
             result=result
         )
 
-    def output_for_cli(self, textui, result, *args, **kw):
-        if isinstance(result, dict) and len(result) > 0:
-            textui.print_entry(result, 0)
-        else:
-            textui.print_plain(_('Failed to submit a certificate request.'))
-
 api.register(cert_request)
 
 
@@ -262,13 +301,9 @@ class cert_status(VirtualCommand):
 
     def execute(self, request_id, **kw):
         self.check_access()
-        return self.Backend.ra.check_request_status(request_id)
-
-    def output_for_cli(self, textui, result, *args, **kw):
-        if isinstance(result, dict) and len(result) > 0:
-            textui.print_entry(result, 0)
-        else:
-            textui.print_plain(_('Failed to retrieve a request status.'))
+        return dict(
+            result=self.Backend.ra.check_request_status(request_id)
+        )
 
 api.register(cert_status)
 
@@ -284,13 +319,9 @@ class cert_get(VirtualCommand):
 
     def execute(self, serial_number):
         self.check_access()
-        return self.Backend.ra.get_certificate(serial_number)
-
-    def output_for_cli(self, textui, result, *args, **kw):
-        if isinstance(result, dict) and len(result) > 0:
-            textui.print_entry(result, 0)
-        else:
-            textui.print_plain(_('Failed to obtain a certificate.'))
+        result=self.Backend.ra.get_certificate(serial_number)
+        result['subject'] = get_subject(result['certificate'])
+        return dict(result=result)
 
 api.register(cert_get)
 
@@ -317,13 +348,9 @@ class cert_revoke(VirtualCommand):
 
     def execute(self, serial_number, **kw):
         self.check_access()
-        return self.Backend.ra.revoke_certificate(serial_number, **kw)
-
-    def output_for_cli(self, textui, result, *args, **kw):
-        if isinstance(result, dict) and len(result) > 0:
-            textui.print_entry(result, 0)
-        else:
-            textui.print_plain(_('Failed to revoke a certificate.'))
+        return dict(
+            result=self.Backend.ra.revoke_certificate(serial_number, **kw)
+        )
 
 api.register(cert_revoke)
 
@@ -339,12 +366,8 @@ class cert_remove_hold(VirtualCommand):
 
     def execute(self, serial_number, **kw):
         self.check_access()
-        return self.Backend.ra.take_certificate_off_hold(serial_number)
-
-    def output_for_cli(self, textui, result, *args, **kw):
-        if isinstance(result, dict) and len(result) > 0:
-            textui.print_entry(result, 0)
-        else:
-            textui.print_plain(_('Failed to take a revoked certificate off hold.'))
+        return dict(
+            result=self.Backend.ra.take_certificate_off_hold(serial_number)
+        )
 
 api.register(cert_remove_hold)