From 45aead62ad7b6c139a7ce508423ea8143a0c0582 Mon Sep 17 00:00:00 2001
From: Ondrej Mikle <ondrej.mikle@gmail.com>
Date: Sun, 22 Jul 2018 19:19:58 +0200
Subject: [PATCH] SpaceAPI sftp uploader

---
 brmdoor_nfc.config.sample |  2 +-
 brmdoor_nfc_daemon.py     | 31 +++++++++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/brmdoor_nfc.config.sample b/brmdoor_nfc.config.sample
index 761de85..233c1af 100644
--- a/brmdoor_nfc.config.sample
+++ b/brmdoor_nfc.config.sample
@@ -88,6 +88,6 @@ spaceapi_sftp_host = some.fqdn.com
 spaceapi_sftp_port = 22
 spaceapi_sftp_username = brmdoor-web
 spaceapi_sftp_key = /path/to/key
-spaceapi_dest_filen= /path/on/target/host/to/dest/file
+spaceapi_dest_file = /path/on/target/host/to/dest/file
 spaceapi_template_file = /full/path/to/spaceapi_template.json
 
diff --git a/brmdoor_nfc_daemon.py b/brmdoor_nfc_daemon.py
index 57f2ba1..61b5635 100755
--- a/brmdoor_nfc_daemon.py
+++ b/brmdoor_nfc_daemon.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python2
 
 import sys
+import os.path
 import logging
 import logging.handlers
 import time
@@ -9,6 +10,8 @@ import threading
 import irc.client
 import ssl
 import Queue
+import json
+import tempfile
 
 from binascii import hexlify
 from functools import partial
@@ -77,7 +80,7 @@ class BrmdoorConfig(object):
             self.sftpPort= self.config.getint("open_switch", "spaceapi_sftp_port")
             self.sftpUsername = self.config.get("open_switch", "spaceapi_sftp_username")
             self.sftpKey = self.config.get("open_switch", "spaceapi_sftp_key")
-            self.sftpDestFile = self.config.get("open_switch", "spaceapi_sftp_key")
+            self.sftpDestFile = self.config.get("open_switch", "spaceapi_dest_file")
             self.sftpTemplateFile = self.config.get("open_switch", "spaceapi_template_file")
 
     def convertLoglevel(self, levelString):
@@ -369,7 +372,31 @@ class SpaceAPIUploader(object):
     """
 
     def __init__(self, config):
-        pass
+        """ Create uploader with store settings, not yet connected."""
+        self.config = config
+
+    def upload(self, isOpen):
+        """
+        Upload status via SFTP. Current timestamp will be added as last change.
+
+        :param isOpen - whether space is opened.
+        :raises paramiko.ssh_exception.SSHException when upload fails (timeout, can't connect, host key mismatch...)
+        """
+        import pysftp
+        dirname, targetFname = os.path.split(self.config.sftpDestFile)
+
+        spaceApiJson = json.load(file("spaceapi_template.json"))
+        spaceApiJson["state"] = {"open": True, "lastchange": time.time()}
+
+        with tempfile.NamedTemporaryFile() as tf:
+            json.dump(spaceApiJson, tf)
+            localFilename = tf.name
+            with pysftp.Connection(self.config.sftpHost, username=self.config.sftpUsername, port=self.config.sftpPort,
+                private_key=self.config.sftpKey) as sftp:
+                sftp.timeout = 30
+                with sftp.cd(dirname):
+                    sftp.put(localFilename, remotepath=targetFname)
+
 
 class OpenSwitchThread(threading.Thread):
     """