Initial commit

funga/eth/cli/http.py

@@ -0,0 +1,85 @@
+# standard imports
+import logging
+
+# external imports
+from http.server import (
+        HTTPServer,
+        BaseHTTPRequestHandler,
+    )
+
+# local imports
+from .handle import SignRequestHandler
+from crypto_dev_signer.error import SignerError
+
+logg = logging.getLogger(__name__)
+
+
+def start_server_http(spec):
+    httpd = HTTPServer(spec, HTTPSignRequestHandler)
+    logg.debug('starting http server {}'.format(spec))
+    httpd.serve_forever()
+
+
+class HTTPSignRequestHandler(SignRequestHandler, BaseHTTPRequestHandler):
+
+    def do_POST(self):
+        if self.headers.get('Content-Type') != 'application/json':
+            self.send_response(400, 'me read json only')
+            self.end_headers()
+            return
+
+        try:
+            if 'application/json' not in self.headers.get('Accept').split(','):
+                self.send_response(400, 'me json only speak')
+                self.end_headers()
+                return
+        except AttributeError:
+            pass
+
+        l = self.headers.get('Content-Length')
+        try:
+            l = int(l)
+        except ValueError:
+            self.send_response(400, 'content length must be integer')
+            self.end_headers()
+            return
+        if l > 4096:
+            self.send_response(400, 'too much information')
+            self.end_headers()
+            return
+        if l < 0:
+            self.send_response(400, 'you are too negative')
+            self.end_headers()
+            return
+
+        b = b''
+        c = 0
+        while c < l:
+            d = self.rfile.read(l-c)
+            if d == None:
+                break
+            b += d
+            c += len(d)
+            if c > 4096:
+                self.send_response(413, 'i should slap you around for lying about your size')
+                self.end_headers()
+                return
+
+        try:
+            r = self.handle_jsonrpc(d)
+        except SignerError as e:
+            r = e.to_jsonrpc()
+
+        l = len(r)
+        self.send_response(200, 'You are the Keymaster')
+        self.send_header('Content-Length', str(l))
+        self.send_header('Cache-Control', 'no-cache')
+        self.send_header('Content-Type', 'application/json')
+        self.end_headers()
+
+        c = 0
+        while c < l:
+            n = self.wfile.write(r[c:])
+            c += n
+
+