fixed app engine blobserver urls; added curl client examples

.gitignore

@@ -1 +1,2 @@
 *~
+*.pyc

blobserver/appengine/main.py

@@ -28,37 +28,35 @@ To test:
 # Put -- 200 response
 curl -v -L \
   -F file=@./test_data.txt \
-  -F 'blob_ref=sha1-126249fd8c18cbb5312a5705746a2af87fba9538' \
-  http://localhost:8080/put
+  http://localhost:8080/put/sha1-126249fd8c18cbb5312a5705746a2af87fba9538
 
 # Put with bad blob_ref parameter -- 400 response
 curl -v -L \
   -F file=@./test_data.txt \
-  -F 'blob_ref=sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f' \
-  http://localhost:8080/put
+  http://localhost:8080/put/sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
 
 # Get present -- the blob
-curl -v http://localhost:8080/get?\
-blob_ref=sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+curl -v http://localhost:8080/get/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538
 
 # Get missing -- 404
-curl -v http://localhost:8080/get?\
-blob_ref=sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
+curl -v http://localhost:8080/get/\
+sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
 
 # Check present -- 200 with blob ref list response
-curl -v http://localhost:8080/check?\
-blob_ref=sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+curl -v http://localhost:8080/check/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538
 
 # Check missing -- 404 with empty list response
-curl -v http://localhost:8080/check?\
-blob_ref=sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
+curl -v http://localhost:8080/check/\
+sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
 
 # List -- 200 with list of blobs (just one)
 curl -v http://localhost:8080/list
 
 # List offset -- 200 with list of no blobs
-curl -v http://localhost:8080/list?\
-after_blob_ref=sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+curl -v http://localhost:8080/list/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538
 
 """
 
@@ -122,8 +120,7 @@ def render_blob_refs(blob_ref_list):
 class ListHandler(webapp.RequestHandler):
   """Return chunks that the server has."""
 
-  def get(self):
-    after_blob_ref = self.request.get('after_blob_ref')
+  def get(self, after_blob_ref):
     count = max(1, min(1000, int(self.request.get('count') or 1000)))
     query = Blob.all().order('__key__')
     if after_blob_ref:
@@ -136,8 +133,7 @@ class ListHandler(webapp.RequestHandler):
 class GetHandler(blobstore_handlers.BlobstoreDownloadHandler):
   """Gets a blob with the given ref."""
 
-  def get(self):
-    blob_ref = self.request.get('blob_ref')
+  def get(self, blob_ref):
     blob = Blob.get_by_key_name(blob_ref)
     if not blob:
       self.error(404)
@@ -148,8 +144,7 @@ class GetHandler(blobstore_handlers.BlobstoreDownloadHandler):
 class CheckHandler(webapp.RequestHandler):
   """Checks if a Blob is present on this server."""
 
-  def get(self):
-    blob_ref = self.request.get('blob_ref')
+  def get(self, blob_ref):
     blob = Blob.get_by_key_name(blob_ref)
     if not blob:
       blob_refs = []
@@ -165,9 +160,9 @@ class CheckHandler(webapp.RequestHandler):
 class GetUploadUrlHandler(webapp.RequestHandler):
   """Handler to return a URL for a script to get an upload URL."""
 
-  def post(self):
+  def post(self, blob_ref):
     self.response.headers['Location'] = blobstore.create_upload_url(
-        '/upload_complete')
+        '/upload_complete/%s' % blob_ref)
     self.response.set_status(307)
 
 
@@ -196,7 +191,7 @@ class UploadHandler(blobstore_handlers.BlobstoreUploadHandler):
 
     return '%s-%s' % (hash_func, hasher.hexdigest())
 
-  def store_blob(self, upload_files, error_messages):
+  def store_blob(self, blob_ref, upload_files, error_messages):
     """Store blob information.
 
     Writes a Blob to the datastore for the uploaded file.
@@ -211,11 +206,6 @@ class UploadHandler(blobstore_handlers.BlobstoreUploadHandler):
     if len(upload_files) != 1:
       error_messages.append('More than one file.')
 
-    blob_ref = self.request.get('blob_ref').lower()
-    if not blob_ref:
-      error_messages.append('Missing "blob_ref" parameter.')
-      return
-
     if not blob_ref.startswith('sha1-'):
       error_messages.append('Only sha1 supported for now.')
       return
@@ -239,13 +229,13 @@ class UploadHandler(blobstore_handlers.BlobstoreUploadHandler):
       blob.put()
     db.run_in_transaction(txn)
 
-  def post(self):
+  def post(self, blob_ref):
     """Do upload post."""
     error_messages = []
 
     upload_files = self.get_uploads('file')
 
-    self.store_blob(upload_files, error_messages)
+    self.store_blob(blob_ref, upload_files, error_messages)
 
     if error_messages:
       blobstore.delete(upload_files)
@@ -275,11 +265,11 @@ class ErrorHandler(webapp.RequestHandler):
 
 APP = webapp.WSGIApplication(
   [
-    ('/get', GetHandler),
-    ('/check', CheckHandler),
-    ('/list', ListHandler),
-    ('/put', GetUploadUrlHandler),
-    ('/upload_complete', UploadHandler),  # Admin only.
+    ('/get/([^/]+)', GetHandler),
+    ('/check/([^/]+)', CheckHandler),
+    ('/list/([^/]+)', ListHandler),
+    ('/put/([^/]+)', GetUploadUrlHandler),
+    ('/upload_complete/([^/]+)', UploadHandler),  # Admin only.
     ('/success', SuccessHandler),
     ('/error', ErrorHandler),
   ],

clients/curl/example.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# Example client accesses to blob server using curl.
+#
+#
+
+
+# Put -- 200 response
+curl -v -L \
+  -F file=@./test_data.txt \
+  http://localhost:8080/put/sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+
+# Put with bad blob_ref parameter -- 400 response
+curl -v -L \
+  -F file=@./test_data.txt \
+  http://localhost:8080/put/sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
+
+# Get present -- the blob
+curl -v http://localhost:8080/get/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+
+# Get missing -- 404
+curl -v http://localhost:8080/get/\
+sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
+
+# Check present -- 200 with blob ref list response
+curl -v http://localhost:8080/check/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538
+
+# Check missing -- 404 with empty list response
+curl -v http://localhost:8080/check/\
+sha1-22a7fdd575f4c3e7caa3a55cc83db8b8a6714f0f
+
+# List -- 200 with list of blobs (just one)
+curl -v http://localhost:8080/list
+
+# List offset -- 200 with list of no blobs
+curl -v http://localhost:8080/list/\
+sha1-126249fd8c18cbb5312a5705746a2af87fba9538

clients/curl/test_data.txt

@@ -0,0 +1 @@
+Lorem ipsum dolor sit amet, consectetur adipiscing elit. Quisque at tortor in tellus accumsan euismod. Quisque scelerisque velit vel nisi ornare lacinia. Vivamus viverra eleifend congue. Maecenas dolor magna, rhoncus vitae fermentum id, convallis id.