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fbchat/fbchat/_graphql.py
2019-03-10 17:36:41 +01:00

365 lines
9.7 KiB
Python

# -*- coding: UTF-8 -*-
from __future__ import unicode_literals
import json
import re
from .models import *
from ._util import *
# Shameless copy from https://stackoverflow.com/a/8730674
FLAGS = re.VERBOSE | re.MULTILINE | re.DOTALL
WHITESPACE = re.compile(r"[ \t\n\r]*", FLAGS)
class ConcatJSONDecoder(json.JSONDecoder):
def decode(self, s, _w=WHITESPACE.match):
s_len = len(s)
objs = []
end = 0
while end != s_len:
obj, end = self.raw_decode(s, idx=_w(s, end).end())
end = _w(s, end).end()
objs.append(obj)
return objs
# End shameless copy
def graphql_to_attachment(a):
_type = a["__typename"]
if _type in ["MessageImage", "MessageAnimatedImage"]:
return ImageAttachment._from_graphql(a)
elif _type == "MessageVideo":
return VideoAttachment._from_graphql(a)
elif _type == "MessageAudio":
return AudioAttachment._from_graphql(a)
elif _type == "MessageFile":
return FileAttachment._from_graphql(a)
else:
return Attachment(uid=a.get("legacy_attachment_id"))
def graphql_to_extensible_attachment(a):
story = a.get("story_attachment")
if not story:
return None
target = story.get("target")
if not target:
return UnsentMessage(uid=a.get("legacy_attachment_id"))
_type = target["__typename"]
if _type == "MessageLocation":
return LocationAttachment._from_graphql(story)
elif _type == "MessageLiveLocation":
return LiveLocationAttachment._from_graphql(story)
elif _type in ["ExternalUrl", "Story"]:
return ShareAttachment._from_graphql(story)
return None
def graphql_to_subattachment(a):
_type = a["target"]["__typename"]
if _type == "Video":
media = a["media"]
return VideoAttachment(
duration=media.get("playable_duration_in_ms"),
preview_url=media.get("playable_url"),
medium_image=media.get("image"),
uid=a["target"].get("video_id"),
)
def graphql_to_quick_reply(q, is_response=False):
data = dict()
_type = q.get("content_type").lower()
if q.get("payload"):
data["payload"] = q["payload"]
if q.get("data"):
data["data"] = q["data"]
if q.get("image_url") and _type is not QuickReplyLocation._type:
data["image_url"] = q["image_url"]
data["is_response"] = is_response
if _type == QuickReplyText._type:
if q.get("title") is not None:
data["title"] = q["title"]
rtn = QuickReplyText(**data)
elif _type == QuickReplyLocation._type:
rtn = QuickReplyLocation(**data)
elif _type == QuickReplyPhoneNumber._type:
rtn = QuickReplyPhoneNumber(**data)
elif _type == QuickReplyEmail._type:
rtn = QuickReplyEmail(**data)
return rtn
def graphql_to_message(message):
if message.get("message_sender") is None:
message["message_sender"] = {}
if message.get("message") is None:
message["message"] = {}
rtn = Message(
text=message.get("message").get("text"),
mentions=[
Mention(
m.get("entity", {}).get("id"),
offset=m.get("offset"),
length=m.get("length"),
)
for m in message.get("message").get("ranges", [])
],
emoji_size=EmojiSize._from_tags(message.get("tags_list")),
sticker=Sticker._from_graphql(message.get("sticker")),
)
rtn.uid = str(message.get("message_id"))
rtn.author = str(message.get("message_sender").get("id"))
rtn.timestamp = message.get("timestamp_precise")
rtn.unsent = False
if message.get("unread") is not None:
rtn.is_read = not message["unread"]
rtn.reactions = {
str(r["user"]["id"]): MessageReaction._extend_if_invalid(r["reaction"])
for r in message.get("message_reactions")
}
if message.get("blob_attachments") is not None:
rtn.attachments = [
graphql_to_attachment(attachment)
for attachment in message["blob_attachments"]
]
if message.get("platform_xmd_encoded"):
quick_replies = json.loads(message["platform_xmd_encoded"]).get("quick_replies")
if isinstance(quick_replies, list):
rtn.quick_replies = [graphql_to_quick_reply(q) for q in quick_replies]
elif isinstance(quick_replies, dict):
rtn.quick_replies = [
graphql_to_quick_reply(quick_replies, is_response=True)
]
if message.get("extensible_attachment") is not None:
attachment = graphql_to_extensible_attachment(message["extensible_attachment"])
if isinstance(attachment, UnsentMessage):
rtn.unsent = True
elif attachment:
rtn.attachments.append(attachment)
return rtn
def graphql_to_thread(thread):
if thread["thread_type"] == "GROUP":
return Group._from_graphql(thread)
elif thread["thread_type"] == "ONE_TO_ONE":
return User._from_thread_fetch(thread)
else:
raise FBchatException(
"Unknown thread type: {}, with data: {}".format(
thread.get("thread_type"), thread
)
)
def graphql_queries_to_json(*queries):
"""
Queries should be a list of GraphQL objects
"""
rtn = {}
for i, query in enumerate(queries):
rtn["q{}".format(i)] = query.value
return json.dumps(rtn)
def graphql_response_to_json(content):
content = strip_to_json(content) # Usually only needed in some error cases
try:
j = json.loads(content, cls=ConcatJSONDecoder)
except Exception:
raise FBchatException("Error while parsing JSON: {}".format(repr(content)))
rtn = [None] * (len(j))
for x in j:
if "error_results" in x:
del rtn[-1]
continue
check_json(x)
[(key, value)] = x.items()
check_json(value)
if "response" in value:
rtn[int(key[1:])] = value["response"]
else:
rtn[int(key[1:])] = value["data"]
log.debug(rtn)
return rtn
class GraphQL(object):
def __init__(self, query=None, doc_id=None, params=None):
if params is None:
params = {}
if query is not None:
self.value = {"priority": 0, "q": query, "query_params": params}
elif doc_id is not None:
self.value = {"doc_id": doc_id, "query_params": params}
else:
raise FBchatUserError("A query or doc_id must be specified")
FRAGMENT_USER = """
QueryFragment User: User {
id,
name,
first_name,
last_name,
profile_picture.width(<pic_size>).height(<pic_size>) {
uri
},
is_viewer_friend,
url,
gender,
viewer_affinity
}
"""
FRAGMENT_GROUP = """
QueryFragment Group: MessageThread {
name,
thread_key {
thread_fbid
},
image {
uri
},
is_group_thread,
all_participants {
nodes {
messaging_actor {
id
}
}
},
customization_info {
participant_customizations {
participant_id,
nickname
},
outgoing_bubble_color,
emoji
},
thread_admins {
id
},
group_approval_queue {
nodes {
requester {
id
}
}
},
approval_mode,
joinable_mode {
mode,
link
},
event_reminders {
nodes {
id,
lightweight_event_creator {
id
},
time,
location_name,
event_title,
event_reminder_members {
edges {
node {
id
},
guest_list_state
}
}
}
}
}
"""
FRAGMENT_PAGE = """
QueryFragment Page: Page {
id,
name,
profile_picture.width(32).height(32) {
uri
},
url,
category_type,
city {
name
}
}
"""
SEARCH_USER = (
"""
Query SearchUser(<search> = '', <limit> = 10) {
entities_named(<search>) {
search_results.of_type(user).first(<limit>) as users {
nodes {
@User
}
}
}
}
"""
+ FRAGMENT_USER
)
SEARCH_GROUP = (
"""
Query SearchGroup(<search> = '', <limit> = 10, <pic_size> = 32) {
viewer() {
message_threads.with_thread_name(<search>).last(<limit>) as groups {
nodes {
@Group
}
}
}
}
"""
+ FRAGMENT_GROUP
)
SEARCH_PAGE = (
"""
Query SearchPage(<search> = '', <limit> = 10) {
entities_named(<search>) {
search_results.of_type(page).first(<limit>) as pages {
nodes {
@Page
}
}
}
}
"""
+ FRAGMENT_PAGE
)
SEARCH_THREAD = (
"""
Query SearchThread(<search> = '', <limit> = 10) {
entities_named(<search>) {
search_results.first(<limit>) as threads {
nodes {
__typename,
@User,
@Group,
@Page
}
}
}
}
"""
+ FRAGMENT_USER
+ FRAGMENT_GROUP
+ FRAGMENT_PAGE
)