pythonProject/sign.py

@@ -7,15 +7,11 @@ from pyhanko.sign import signers, timestamps, fields
 from pyhanko_certvalidator import ValidationContext
 from typing_extensions import Buffer
 
-from pythonProject.timestamp import LocalOpensslTimestamp
-
 
 class SignOrchestrator:
     """Orchestrate the signature on document"""
 
-    def __init__(self, pkcs12_path: str,
+    def __init__(self, pkcs12_path: str, timestamp_url: str, pkcs12_password: Optional[bytes] = None):
-                 tsa_config_path: str, tsa_password: str, tsa_cert_chain: str,
-                 pkcs12_password: Optional[bytes] = None):
         # Load signer key material from PKCS#12 file
         # This assumes that any relevant intermediate certs are also included
         # in the PKCS#12 file.
@@ -24,7 +20,9 @@ class SignOrchestrator:
         )
 
         # Set up a timestamping client to fetch timestamps tokens
-        self.timestamper = LocalOpensslTimestamp(tsa_config_path, tsa_password, tsa_cert_chain)
+        self.timestamper = timestamps.HTTPTimeStamper(
+            url=timestamp_url,
+        )
 
         self.stamp_style = stamp.TextStampStyle(
             stamp_text="Signé par:\n%(signer_text)s\nLe %(ts)s",

pythonProject/sign_individual.py

@@ -1,16 +1,6 @@
 from sign import SignOrchestrator
 
-"""
+orchestrator = SignOrchestrator('./assets/dummy.p12','http://freetsa.org/tsr', pkcs12_password=None)
-This is a script to sign a file with the dummy assets
-
-It is created mainly for testing purpose
-"""
-
-orchestrator = SignOrchestrator('./assets/dummy.p12',
-                                '/home/julien/dev/chill/sign-pdf-worker/ts-authority/rootca.conf',
-                                '5678',
-                                '/home/julien/dev/chill/sign-pdf-worker/ts-authority/ca/tsa-chain.pem',
-                                pkcs12_password=None)
 
 with open('./assets/test.pdf', 'rb') as input:
     signed_content = orchestrator.sign(reason="first signer", signature_index=0,

pythonProject/sign_individual_protected_CA.py

@@ -1,29 +0,0 @@
-from sign import SignOrchestrator
-
-"""
-This is a script to sign a file with the dummy assets
-
-It is created mainly for testing purpose
-"""
-
-orchestrator = SignOrchestrator('/run/user/1000/ca/cachet.p12',
-                                '/home/julien/dev/chill/sign-pdf-worker/ts-authority/vendee-tsa.conf',
-                                'xxxxxxxxxxxxxxxxxxx',
-                                '/run/user/1000/ca/tsa-chain.pem',
-                                pkcs12_password=b"xxxxxxxxxxxxxxxx")
-
-with open('./assets/test.pdf', 'rb') as input:
-    signed_content = orchestrator.sign(reason="first signer", signature_index=0,
-                                       input_content=input.read(), box_place=(300, 600, 500, 660), on_page=0,
-                                       signer_text="Mme Caroline Diallo")
-
-    with open('./assets/test_signed_0.pdf', 'wb') as output:
-        output.write(signed_content.read())
-
-with open('./assets/test_signed_0.pdf', 'rb') as input:
-    signed_content = orchestrator.sign(reason="second signer", signature_index=1,
-                                       input_content=input.read(), box_place=(100, 600, 300, 660), on_page=0,
-                                       signer_text="M. Bah Mamadou")
-
-    with open('./assets/test_signed_1.pdf', 'wb') as output:
-        output.write(signed_content.read())

pythonProject/timestamp.py

@@ -1,64 +0,0 @@
-import logging
-import os
-
-from asn1crypto import tsp
-from asn1crypto.tsp import TimeStampResp
-from pyhanko.sign.timestamps import TimeStamper
-import subprocess
-
-LOGGER = logging.getLogger(__name__)
-LOGGER.setLevel(os.environ.get('LOG_LEVEL', logging.DEBUG))
-
-
-class LocalOpensslTimestamp(TimeStamper):
-    """
-        Apply a timestamp using a local openssl cli.
-
-        The class provides methods to request a timestamp response from a local OpenSSL TSA cli.
-    """
-    def __init__(self, path_config: str, password: str, path_chain: str):
-        super().__init__()
-        self.path_conf = path_config
-        self.password = password
-        self.path_chain = path_chain
-
-    def request_tsa_response(self, req: tsp.TimeStampReq) -> tsp.TimeStampResp:
-        with open('/tmp/request.tsq', 'wb') as request:
-            request.write(req.dump())
-
-        cmd = [
-            'openssl', 'ts', '-reply',
-            '-config', self.path_conf,
-            '-queryfile', '/tmp/request.tsq',
-            '-chain', self.path_chain,
-            '-out', '/tmp/response.tsr',
-            '-passin', f'pass:{self.password}'
-        ]
-
-        try:
-            subprocess.run(cmd, capture_output=True, check=True, timeout=10)
-        except subprocess.CalledProcessError as e:
-            LOGGER.error("Could not generate a timestamp")
-            LOGGER.error(f"response code: {e.returncode}")
-            LOGGER.error(f"stderr: {e.stderr}")
-            LOGGER.error(f"stdout: {e.stdout}")
-            LOGGER.error(f"error: {e.output}")
-
-            raise Exception("could not generate a timestamp")
-        except subprocess.TimeoutExpired as e:
-            LOGGER.error("timeout expired")
-            LOGGER.error(f"stderr: {e.stderr}")
-            LOGGER.error(f"stdout: {e.stdout}")
-            LOGGER.error(f"error: {e.output}")
-
-            raise e
-
-        with open('/tmp/response.tsr', mode='rb') as f:
-            tsp = TimeStampResp.load(f.read())
-
-        os.unlink('/tmp/response.tsr')
-
-        return tsp
-
-    async def async_request_tsa_response(self, req: tsp.TimeStampReq) -> tsp.TimeStampResp:
-        return self.request_tsa_response(req)

pythonProject/worker.py

@@ -19,14 +19,13 @@ for v in ['AMQP_URL', 'PKCS12_PATH', 'TIMESTAMP_URL', 'QUEUE_IN', 'EXCHANGE_OUT'
 
 DSN = os.environ.get('AMQP_URL')
 PKCS12_PATH = os.environ.get('PKCS12_PATH')
+TIMESTAMP_URL = os.environ.get('TIMESTAMP_URL')
 QUEUE_IN = os.environ.get('QUEUE_IN')
 EXCHANGE_OUT = os.environ.get('EXCHANGE_OUT')
 OUT_ROUTING_KEY = os.environ.get('OUT_ROUTING_KEY')
-TSA_CONFIG_PATH = os.environ.get('TSA_CONFIG_PATH')
-TSA_CERT_CHAIN = os.environ.get('TSA_CERT_CHAIN')
-TSA_KEY_PASSWORD = os.environ.get('TSA_KEY_PASSWORD')
 
-orchestrator = sign.SignOrchestrator(PKCS12_PATH, TSA_CONFIG_PATH, TSA_KEY_PASSWORD, TSA_CERT_CHAIN, pkcs12_password=os.environ.get('PKCS12_PASSWORD', None))
+
+orchestrator = sign.SignOrchestrator(PKCS12_PATH, TIMESTAMP_URL, pkcs12_password=os.environ.get('PKCS12_PASSWORD', None))
 
 parameters = pika.URLParameters(DSN)
 connection = pika.BlockingConnection(parameters)

ts-authority/README.md

@@ -151,17 +151,3 @@ The OK response ensures that the original signed timestamp is correctly authoriz
 openssl ts -verify -data /etc/hosts -in /tmp/response.tsr -CAfile ca/root-ca.pem -untrusted ca/tsa.pem
 ```
 
-
-# Préparation pour Vendée
-
-## Extraire les infos
-
-```bash
-openssl pkcs12 -info -in horodatage.p12 -legacy
-```
-
-Ca demandera un mot de passe pour déchiffrer, et un autre mot de passe pour chiffrer la clé qui apparaitra.
-
-- on recopie la clé et on fait un copier-coller dans /run/user/1000/ca/private/tsa.key
-- on recopie tous les certificats, on supprime les interligne, et on colle ça dans /run/user/1000/ca/tsa-chain.pem
-- on recopie le premier certificat, pour céer /run/user/1000/ca/tsa.crt

ts-authority/rootca.conf

@@ -138,7 +138,7 @@ subjectKeyIdentifier    = hash
 default_tsa             = tsa_config1
 
 [ tsa_config1 ]
-dir                     = /home/julien/dev/chill/sign-pdf-worker/ts-authority                     # TSA root directory, same as root-ca
+dir                     = .                     # TSA root directory, same as root-ca
 serial                  = $dir/ca/tsa_serial       # current serial number (mandatory)
 signer_cert             = $dir/ca/tsa.crt     # signing certificate (optional)
 certs                   = $dir/ca/tsa-chain.pem # certification chain (optional)

ts-authority/vendee-tsa.conf

@@ -1,46 +0,0 @@
-#
-# rootca.conf
-#
-# See Ristic OpenSSL Cookbook URL above.
-
-oid_section                     = new_oids
-
-[ new_oids ]
-tsa_policy1                     = 1.2.3.4.1
-tsa_policy2                     = 1.2.3.4.5.6
-tsa_policy3                     = 1.2.3.4.5.7
-
-
-[ tsa ]
-
-default_tsa             = tsa_config1
-
-[ tsa_config1 ]
-dir                     = /run/user/1000/ca                     # TSA root directory, same as root-ca
-serial                  = $dir/tsa_serial       # current serial number (mandatory)
-signer_cert             = $dir/tsa.crt     # signing certificate (optional)
-certs                   = $dir/tsa-chain.pem # certification chain (optional)
-signer_key              = $dir/private/tsa.key # tsa private key (optional)
-default_policy          = tsa_policy1
-signer_digest           = sha256                # digest to use for signing (optional)
-other_policies          = tsa_policy2,tsa_policy3 # other policies (optional)
-digests                 = sha256,sha384,sha512    # acceptable digests (mandatory)
-accuracy                = secs:1,millisecs:500,microsecs:100 # accuracy optional
-ordering                = yes                   # is ordering defined? (optional, default: no)
-tsa_name                = yes                   # must tsa name be included in reply? (opt., default: no)
-ess_cert_id_chain       = yes                   # must ess cert id change be incl? (opt., default: no)
-ess_cert_id_alg         = sha256                # alg to compute cert. id (optional, default: sha1)
-
-# added, was missing in the blog post
-crypto_device           = builtin
-
-# The tsa_ext extension is
-# used to create the tsa cert tsa.crt
-
-[ tsa_ext ]
-
-authorityKeyIdentifier  = keyid:always
-basicConstraints        = critical,CA:false
-extendedKeyUsage        = critical,timeStamping
-keyUsage                = critical,nonRepudiation
-subjectKeyIdentifier    = hash