From e344a51b0e7becb3934ab8a3ec4b8b0659c0d712 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Thu, 13 Apr 2017 22:04:09 +0300
Subject: Copy remaining stuff from YarnHelper to lib.py

---
 900-implements.yarn | 18 ++++++------------
 lib.py              | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 55 insertions(+), 13 deletions(-)

diff --git a/900-implements.yarn b/900-implements.yarn
index 31cec0c..976e0ce 100644
--- a/900-implements.yarn
+++ b/900-implements.yarn
@@ -8,10 +8,9 @@
 ## HTTP requests
 
     IMPLEMENTS WHEN user fetches (\S+)
-    h = yarnhelper.YarnHelper()
     address = os.environ['ADDRESS']
     url = get_next_match()
-    status, body = h.http_get(address, url)
+    status, body = http_get(address, url)
     vars['http_status'] = status
     vars['http_body'] = body
 
@@ -87,7 +86,6 @@
 ## Send mail over SMTP+TLS
 
     IMPLEMENTS WHEN someone sends mail to (\S+) with subject \$(\S+)
-    import smtplib
     to_addr = get_next_match()
     subject_key = get_next_match()
     subject = vars[subject_key]
@@ -105,7 +103,6 @@
 ## Check for a mail in a mailbox
 
     IMPLEMENTS THEN mailbox of (\S+) has a mail with subject \$(\S+)
-    h = yarnhelper.YarnHelper()
     user = get_next_match()
     subject_key = get_next_match()
     subject = vars[subject_key]
@@ -113,19 +110,18 @@
     address = os.environ['ADDRESS']
     pass_name = 'pieni.net/{}'.format(user)
     pass_home = os.environ['PASS_HOME']
-    password = h.get_password_with_pass(pass_home, pass_name)
+    password = get_password_with_pass(pass_home, pass_name)
     got_it = False
     def match(imapobj, msgid, msg):
         global got_it
         print 'Subject:', msg['Subject']
         got_it = got_it or (msg['Subject'] == subject)
-    h.iterate_mails_in_imap_mailbox(address, user, password, match, False)
+    iterate_mails_in_imap_mailbox(address, user, password, match, False)
     assertTrue(got_it)
 
 ## Delete mails
 
     IMPLEMENTS THEN mails for (\S+) with subject \$(\S+) get deleted
-    h = yarnhelper.YarnHelper()
     user = get_next_match()
     subject_key = get_next_match()
     subject = vars[subject_key]
@@ -133,11 +129,11 @@
     address = os.environ['ADDRESS']
     pass_name = 'pieni.net/{}'.format(user)
     pass_home = os.environ['PASS_HOME']
-    password = h.get_password_with_pass(pass_home, pass_name)
+    password = get_password_with_pass(pass_home, pass_name)
     def delete_matching(imapobj, msgid, msg):
         if msg['Subject'] == subject:
             imapobj.store(msgid, '+FLAGS', '(\\Deleted)')
-    h.iterate_mails_in_imap_mailbox(
+    iterate_mails_in_imap_mailbox(
         address, user, password, delete_matching, True)
 
 ## Run sequence of SMTP commands, check SMTP status
@@ -155,15 +151,13 @@
     vars['smtp_commands'] = smtp_commands
 
     IMPLEMENTS THEN SMTP status code is (\d+)
-    import smtplib
-    h = yarnhelper.YarnHelper()
     wanted_status = int(get_next_match())
     smtp_commands = vars['smtp_commands']
     smtp_username = vars['smtp_username']
     if smtp_username is not None:
         pass_home = os.environ['PASS_HOME']
         pass_user = 'pieni.net/{}'.format(smtp_username)
-        smtp_password = h.get_password_with_pass(pass_home, pass_user)
+        smtp_password = get_password_with_pass(pass_home, pass_user)
     address = os.environ['ADDRESS']
     server = smtplib.SMTP()
     print 'connecting to', address
diff --git a/lib.py b/lib.py
index e0bc8cf..c97ff04 100644
--- a/lib.py
+++ b/lib.py
@@ -1,14 +1,62 @@
+import email
+import imaplib
 import os
 import random
 import re
+import smtplib
+import subprocess
 import sys
+import urlparse
 
 import cliapp
+import requests
+import yaml
 from yarnutils import *
 
-import yarnhelper
 
 srcdir = os.environ['SRCDIR']
 datadir = os.environ['DATADIR']
 
 vars = Variables(datadir)
+
+
+
+def construct_aliased_http_request(address, method, url):
+    parts = list(urlparse.urlparse(url))
+    headers = {
+        'Host': parts[1],
+    }
+    parts[1] = address
+    aliased_url = urlparse.urlunparse(parts)
+
+    r = requests.Request(method, aliased_url, headers=headers)
+    return r.prepare()
+
+def http_get(address, url):
+    r = construct_aliased_http_request(address, 'GET', url)
+    s = requests.Session()
+    resp = s.send(r)
+    return resp.status_code, resp.content
+
+def get_password_with_pass(pass_home, pass_name):
+    p = subprocess.Popen(
+        ['env', 'HOME={}'.format(pass_home), 'pass', 'show', pass_name],
+        stdout=subprocess.PIPE)
+    stdout, stderr = p.communicate()
+    password = stdout.rstrip()
+    return password
+
+def iterate_mails_in_imap_mailbox(address, user, password, callback, exp):
+    m = imaplib.IMAP4_SSL(address)
+    m.login(user, password)
+    m.select('INBOX', False)
+    typ, data = m.search(None, 'ALL')
+    for num in data[0].split():
+        typ, data = m.fetch(num, '(RFC822)')
+        typ, text = data[0]
+        msg = email.message_from_string(text)
+        callback(m, num, msg)
+    if exp:
+        m.expunge()
+    m.close()
+    m.logout()
-- 
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