[tor-commits] [gettor/master] Only parse email subject and body

commit 6a95ed9e0b9cc99cc77567164c117876aeecf376 Author: Cecylia Bocovich cohosh@torproject.org Date: Mon Jan 11 16:41:26 2021 -0500

Only parse email subject and body

Closes issue #75 where the headers were being parsed for locale instead of the message body. --- gettor/parse/email.py | 12 +++++- tests/test_email_service.py | 90 +++++++++++++++++++++++++++++++-------------- 2 files changed, 72 insertions(+), 30 deletions(-)

diff --git a/gettor/parse/email.py b/gettor/parse/email.py index fa945ba..1f70ea3 100644 --- a/gettor/parse/email.py +++ b/gettor/parse/email.py @@ -145,9 +145,15 @@ class EmailParser(object):

def build_request(self, msg_str, norm_addr): # Search for commands keywords - subject_re = re.compile(r"Subject: (.*)\r\n") + subject_re = re.compile("Subject: (.*)\n") subject = subject_re.search(msg_str)

+ # the body of a message is "a sequence of characters that follows the header + # section and is separated from the header section by an empty line" + # https://tools.ietf.org/html/rfc5322#section-2.1 + body_re = re.compile("\r?\n\r?\n(.*)$", re.DOTALL) + body = body_re.search(msg_str) + request = { "id": norm_addr, "command": None, @@ -161,7 +167,9 @@ class EmailParser(object): request = self.parse_keywords(subject, request)

# Always parse the body too, to see if there's more specific information - request = self.parse_keywords(msg_str, request) + if body: + body = body.group(1) + request = self.parse_keywords(body, request)

if not request["language"]: request["language"] = "en-US" diff --git a/tests/test_email_service.py b/tests/test_email_service.py index 47d7e5f..de421a6 100644 --- a/tests/test_email_service.py +++ b/tests/test_email_service.py @@ -57,7 +57,7 @@ class EmailServiceTests(unittest.TestCase):

def test_build_request(self): ep = conftests.EmailParser(self.settings, "gettor@torproject.org") - msg_str = "From: "silvia [hiro]" hiro@torproject.org\n Subject: \r\n Reply-To: hiro@torproject.org \nTo: gettor@torproject.org\r\n osx es" + msg_str = "From: "silvia [hiro]" hiro@torproject.org\n Subject: \r\n Reply-To: hiro@torproject.org \nTo: gettor@torproject.org\r\n\r\n osx es" msg = conftests.message_from_string(msg_str) ep.locales = ["es", "en"] request = ep.build_request(msg_str, "hiro@torproject.org") @@ -81,32 +81,32 @@ class EmailServiceTests(unittest.TestCase): ep.locales = ["en-US", "es-ES", "es-AR", "pt-BR", "fa"] request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n\n") + "gettor@torproject.org\r\n\r\n") self.assertEqual(request["language"], "en-US") self.assertEqual(request["command"], "help")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n\n please send me tor\n") + "gettor@torproject.org\r\n\r\n please send me tor\n") self.assertEqual(request["language"], "en-US") self.assertEqual(request["command"], "help")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n\nwindows\n") + "gettor@torproject.org\r\n\r\nwindows\n") self.assertEqual(request["language"], "en-US") self.assertEqual(request["platform"], "windows") self.assertEqual(request["command"], "links")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n\n fa\n") + "gettor@torproject.org\r\n\r\n fa\n") self.assertEqual(request["language"], "fa") self.assertEqual(request["command"], "help")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n\n please help me get tor for windows\n") + "gettor@torproject.org\r\n\r\n please help me get tor for windows\n") self.assertEqual(request["language"], "en-US") self.assertEqual(request["command"], "links") self.assertEqual(request["platform"], "windows") @@ -116,60 +116,93 @@ class EmailServiceTests(unittest.TestCase): ep.locales = ["en-US", "es-ES", "es-AR", "pt-BR", "fa"] request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n osx en") + "gettor@torproject.org\r\n\r\n osx en") self.assertEqual(request["language"], "en-US")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n osx ES") + "gettor@torproject.org\r\n\r\n osx ES") self.assertEqual(request["language"], "es-ES")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n osx en-US") + "gettor@torproject.org\r\n\r\n osx en-US") self.assertEqual(request["language"], "en-US")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux fa") + "gettor@torproject.org\r\n\r\n linux fa") self.assertEqual(request["language"], "fa")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n osx es") + "gettor@torproject.org\r\n\r\n osx es") self.assertEqual(request["language"], "es-ES")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux zz") + "gettor@torproject.org\r\n\r\n linux zz") self.assertEqual(request["language"], "en-US")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux pt-PT") + "gettor@torproject.org\r\n\r\n linux pt-PT") self.assertEqual(request["language"], "pt-BR")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: \r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux es-AR") + "gettor@torproject.org\r\n\r\n linux es-AR") self.assertEqual(request["language"], "es-AR")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: linux es\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux es-AR") + "gettor@torproject.org\r\n\r\n linux es-AR") self.assertEqual(request["language"], "es-AR")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: linux es\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux") + "gettor@torproject.org\r\n\r\n linux") self.assertEqual(request["language"], "es-ES")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: linux es-AR\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n linux es") + "gettor@torproject.org\r\n\r\n linux es") self.assertEqual(request["language"], "es-AR") del ep

+ def test_body_subject_parser(self): + ep = conftests.EmailParser(self.settings, "gettor@torproject.org") + ep.locales = ["en-US", "es-ES", "es-AR", "pt-BR", "fa"] + request = ep.parse( + "To: gettor@torproject.org\r\n" + "From: Cecylia Bocovich cohosh@torproject.org\r\n" + "Subject: windows es\r\n" + "Message-ID: 0befc58c-c94d-c262-9597-4365122c04b4@torproject.org\r\n" + "Date: Mon, 11 Jan 2021 11:28:37 -0500\r\n" + "MIME-Version: 1.0\r\n" + "Content-Type: text/plain; charset=utf-8\r\n" + "Content-Language: en-US\r\n" + "Content-Transfer-Encoding: 7bit\r\n" + "\r\n" + "windows es\r\n" + ) + self.assertEqual(request["language"], "es-ES") + request = ep.parse( + "To: gettor@torproject.org\n" + "From: Cecylia Bocovich cohosh@torproject.org\n" + "Subject: linux fa\n" + "Message-ID: 0befc58c-c94d-c262-9597-4365122c04b4@torproject.org\n" + "Date: Mon, 11 Jan 2021 11:28:37 -0500\n" + "MIME-Version: 1.0\n" + "Content-Type: text/plain; charset=utf-8\n" + "Content-Language: en-US\n" + "Content-Transfer-Encoding: 7bit\n" + "\n" + "linux fa\n" + ) + self.assertEqual(request["language"], "fa") + del ep + @pytest_twisted.inlineCallbacks def test_sent_links_message(self): ep = self.sm_client @@ -216,19 +249,19 @@ class EmailServiceTests(unittest.TestCase): ep.locales = ["en-US", "es-ES", "es-AR", "pt-BR", "fa", "fr"] request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n osx en\n") + "gettor@torproject.org\r\n\r\n osx en\n") self.assertEqual(request["command"], "links") self.assertEqual(request["language"], "en-US") self.assertEqual(request["platform"], "osx")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n i like french fries\n") + "gettor@torproject.org\r\n\r\n i like french fries\n") self.assertEqual(request["command"], "help")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\nlinux fa\n\n" + "gettor@torproject.org\r\n\r\nlinux fa\n" "On 2020-02-10 11:54 a.m., gettor@torproject.org wrote:\n" "> This is how you can request a tor browser bundle link.\n" ">\n" @@ -237,14 +270,15 @@ class EmailServiceTests(unittest.TestCase): "> In the body of the email only write: <operating system> <language>.\n" ">\n" "> We only support windows, osx and linux as operating systems.\n" - ">\n") + ">\n" + ) self.assertEqual(request["command"], "links") self.assertEqual(request["language"], "fa") self.assertEqual(request["platform"], "linux")

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\nlinux fa\n\n" + "gettor@torproject.org\r\n\r\nlinux fa\n" "On 2020-02-10 11:54 a.m., gettor@torproject.org wrote:\n" "This is how you can request a tor browser bundle link.\n" "\n" @@ -260,7 +294,7 @@ class EmailServiceTests(unittest.TestCase):

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n" + "gettor@torproject.org\r\n\r\n" "On 2020-02-10 11:54 a.m., gettor@torproject.org wrote:\n" "> This is how you can request a tor browser bundle link.\n" ">\n" @@ -277,7 +311,7 @@ class EmailServiceTests(unittest.TestCase):

request = ep.parse("From: "silvia [hiro]" hiro@torproject.org\n" "Subject: Re: [GetTor] Help Email\r\n Reply-To: hiro@torproject.org \nTo:" - "gettor@torproject.org\n" + "gettor@torproject.org\r\n\r\n" "On 2020-02-10 11:54 a.m., gettor@torproject.org wrote:\n" "> This is how you can request a tor browser bundle link.\n" ">\n" @@ -293,22 +327,22 @@ class EmailServiceTests(unittest.TestCase): ep = conftests.EmailParser(self.settings, "gettor@torproject.org") request = ep.parse("From: MAILER-DAEMON@mx1.riseup.net\n" "Subject: Undelivered Mail Returned to Sender\r\n" - "To: gettor@torproject.org\n osx en\n") + "To: gettor@torproject.org\r\n\r\n osx en\n")

self.assertEqual(request, {}) request = ep.parse("From: postmaster@example.sk\n" "Subject: Undelivered Mail Returned to Sender\r\n" - "To: gettor@torproject.org\n\n osx en\n") + "To: gettor@torproject.org\r\n\r\n osx en\n")

self.assertEqual(request, {}) request = ep.parse("From: gettor@torproject.org\n" "Subject: links\r\n" - "To: gettor@torproject.org\n\n osx en\n") + "To: gettor@torproject.org\r\n\r\n osx en\n")

self.assertEqual(request, {}) request = ep.parse("From: gettor+en@torproject.org\n" "Subject: links\r\n" - "To: gettor@torproject.org\n\n osx en\n") + "To: gettor@torproject.org\r\n\r\n osx en\n")

self.assertEqual(request, {})