Send out web link to totp seed fetcher instead of the seed itself

[mirror/userdir-ldap.git] / ud-mailgate

diff --git a/ud-mailgate b/ud-mailgate
index cd6b517..bd77120 100755 (executable)
--- a/ud-mailgate
+++ b/ud-mailgate
@@ -33,6 +33,8 @@ ChPassFrom = ConfModule.chpassfrom
 ChangeFrom = ConfModule.changefrom
 ReplayCacheFile = ConfModule.replaycachefile
 SSHFingerprintFile = ConfModule.fingerprintfile
 ChangeFrom = ConfModule.changefrom
 ReplayCacheFile = ConfModule.replaycachefile
 SSHFingerprintFile = ConfModule.fingerprintfile

+TOTPTicketDirectory = ConfModule.totpticketdirectory
+WebUILocation = ConfModule.webuilocation

 
 UUID_FORMAT = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'
 machine_regex = re.compile("^[0-9a-zA-Z.-]+$")
 
 UUID_FORMAT = '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'
 machine_regex = re.compile("^[0-9a-zA-Z.-]+$")


@@ -684,7 +686,10 @@ def HandleChPass(Reply, DnRecord, Key):
 def HandleChTOTPSeed(Reply, DnRecord, Key):
     # Generate a random seed
     seed = binascii.hexlify(open("/dev/urandom", "r").read(32))
 def HandleChTOTPSeed(Reply, DnRecord, Key):
     # Generate a random seed
     seed = binascii.hexlify(open("/dev/urandom", "r").read(32))

-    msg = GPGEncrypt("Your new TOTP seed is '%s'\n" % (seed,), "0x" + Key[1], Key[4])
+    random_id = binascii.hexlify(open("/dev/urandom", "r").read(32))
+    totp_file_name = "%d-%s" % (time.time(), random_id,)
+
+    msg = GPGEncrypt("Please go to %s/fetch-totp-seed?id=%s\n to fetch your TOTP seed" % (WebUILocation, totp_file_name), "0x" + Key[1], Key[4])

 
     if msg is None:
         raise UDFormatError("Unable to generate the encrypted reply, gpg failed.")
 
     if msg is None:
         raise UDFormatError("Unable to generate the encrypted reply, gpg failed.")


@@ -697,6 +702,11 @@ def HandleChTOTPSeed(Reply, DnRecord, Key):
     Reply += TemplateSubst(Subst, open(TemplatesDir + "totp-seed-changed", "r").read())
 
     lc = connect_to_ldap_and_check_if_locked(DnRecord)
     Reply += TemplateSubst(Subst, open(TemplatesDir + "totp-seed-changed", "r").read())
 
     lc = connect_to_ldap_and_check_if_locked(DnRecord)

+    # Save the seed so the user can pick it up.
+    f = open(os.path.join(TOTPTicketDirectory, totp_file_name), os.O_WRONLY | os.O_CREAT)
+    f.write(seed)
+    f.close()
+

     # Modify the password
     Rec = [(ldap.MOD_REPLACE, "totpSeed", seed)]
     Dn = "uid=" + GetAttr(DnRecord, "uid") + "," + BaseDn
     # Modify the password
     Rec = [(ldap.MOD_REPLACE, "totpSeed", seed)]
     Dn = "uid=" + GetAttr(DnRecord, "uid") + "," + BaseDn