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Make some basic pack creating endpoints work

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This commit is contained in:
Tulir Asokan 2020-11-01 15:21:43 +02:00
parent 0b15a44820
commit 12e1cb265d
9 changed files with 246 additions and 21 deletions
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1
optional-requirements.txt
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@ -8,3 +8,4 @@ attrs
setuptools
aiodns
ruamel.yaml
jsonschema

2
setup.py
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@ -71,5 +71,5 @@ setuptools.setup(
"frontend/index.html", "frontend/setup/index.html",
"frontend/src/*", "frontend/lib/*/*.js", "frontend/res/*", "frontend/style/*.css",
]}
], "sticker.server.api": ["pack.schema.json"]}
)

11
sticker/server/api/errors.py
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@ -13,7 +13,8 @@
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Dict
from typing import Dict, Optional
from collections import deque
import json
from aiohttp import web
@ -99,6 +100,14 @@ class _ErrorMeta:
return web.HTTPNotFound(**self._make_error("NET.MAUNIUM_PACK_NOT_FOUND",
"Sticker pack not found"))
def schema_error(self, message: str, path: Optional[deque] = None) -> web.HTTPException:
if path:
path_str = "in " + " → ".join(str(part) for part in path)
else:
path_str = "at top level"
return web.HTTPBadRequest(**self._make_error(
"M_BAD_REQUEST", f"Schema validation error {path_str}: {message}"))
@property
def client_well_known_error(self) -> web.HTTPException:
return web.HTTPForbidden(**self._make_error("NET.MAUNIUM_CLIENT_WELL_KNOWN_ERROR",

126
sticker/server/api/pack.schema.json Normal file
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@ -0,0 +1,126 @@
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"description": "A sticker pack compatible with maunium-stickerpicker",
"properties": {
"id": {
"type": "string",
"description": "An unique identifier for the sticker pack",
"readOnly": true
},
"title": {
"type": "string",
"description": "The title of the sticker pack"
},
"stickers": {
"type": "array",
"description": "The stickers in the pack",
"items": {
"type": "object",
"description": "A single sticker",
"properties": {
"id": {
"type": "string",
"description": "An unique identifier for the sticker"
},
"url": {
"type": "string",
"description": "The Matrix content URI to the sticker",
"pattern": "mxc://.+?/.+"
},
"body": {
"type": "string",
"description": "The description text for the sticker"
},
"info": {
"type": "object",
"description": "Matrix media info",
"properties": {
"w": {
"type": "integer",
"description": "The intended display width of the sticker"
},
"h": {
"type": "integer",
"description": "The intended display height of the sticker"
},
"size": {
"type": "integer",
"description": "The size of the sticker image in bytes"
},
"mimetype": {
"type": "string",
"description": "The mime type of the sticker image"
}
},
"additionalProperties": true,
"required": [
"w",
"h",
"size",
"mimetype"
]
},
"net.maunium.telegram.sticker": {
"type": "object",
"description": "Telegram metadata about the sticker",
"properties": {
"pack": {
"type": "string",
"description": "Information about the pack the sticker is in",
"properties": {
"id": {
"type": "string",
"description": "The ID of the sticker pack"
},
"short_name": {
"type": "string",
"description": "The short name of the Telegram sticker pack from t.me/addstickers/<shortname>"
}
}
},
"id": {
"type": "string",
"description": "The ID of the sticker document"
},
"emoticons": {
"type": "array",
"description": "Emojis that are associated with the sticker",
"items": {
"type": "string",
"description": "A single unicode emoji"
}
}
}
}
},
"required": [
"id",
"url",
"body",
"info"
],
"additionalProperties": true
}
},
"net.maunium.telegram.pack": {
"type": "object",
"description": "Telegram metadata about the pack",
"properties": {
"short_name": {
"type": "string",
"description": "The short name of the Telegram sticker pack from t.me/addstickers/<shortname>"
},
"hash": {
"type": "string",
"description": "The Telegram-specified hash of the stickerpack that can be used to quickly check if it has changed"
}
}
}
},
"additionalProperties": true,
"required": [
"title",
"stickers"
]
}

79
sticker/server/api/setup.py
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@ -13,12 +13,22 @@
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from aiohttp import web
from typing import Any
import random
import string
import json
from ..database import User, AccessToken
from aiohttp import web
from pkg_resources import resource_stream
import jsonschema
from ..database import User, AccessToken, Pack, Sticker
from .errors import Error
routes = web.RouteTableDef()
pack_schema = json.load(resource_stream("sticker.server.api", "pack.schema.json"))
@routes.get("/whoami")
async def whoami(req: web.Request) -> web.Response:
@ -30,3 +40,68 @@ async def whoami(req: web.Request) -> web.Response:
"homeserver_url": user.homeserver_url,
"last_seen": int(token.last_seen_date.timestamp() / 60) * 60,
})
@routes.get("/packs")
async def packs(req: web.Request) -> web.Response:
user: User = req["user"]
packs = await user.get_packs()
return web.json_response([pack.to_dict() for pack in packs])
async def get_json(req: web.Request, schema: str) -> Any:
try:
data = await req.json()
except json.JSONDecodeError:
raise Error.request_not_json
try:
jsonschema.validate(data, schema)
except jsonschema.ValidationError as e:
raise Error.schema_error(e.message, e.path)
return data
@routes.post("/packs/create")
async def upload_pack(req: web.Request) -> web.Response:
data = await get_json(req, pack_schema)
user: User = req["user"]
title = data.pop("title")
raw_stickers = data.pop("stickers")
pack_id_suffix = data.pop("id", "".join(random.choices(string.ascii_lowercase, k=12)))
pack = Pack(id=f"{user.id}_{pack_id_suffix}", owner=user.id, title=title, meta=data)
stickers = [Sticker(pack_id=pack.id, id=sticker.pop("id"), url=sticker.pop("url"),
body=sticker.pop("body"), meta=sticker) for sticker in raw_stickers]
await pack.insert()
await pack.set_stickers(stickers)
await user.add_pack(pack)
return web.json_response({
**pack.to_dict(),
"stickers": [sticker.to_dict() for sticker in stickers],
})
@routes.get("/pack/{pack_id}")
async def get_pack(req: web.Request) -> web.Response:
user: User = req["user"]
pack = await user.get_pack(req.match_info["pack_id"])
if pack is None:
raise Error.pack_not_found
return web.json_response({
**pack.to_dict(),
"stickers": [sticker.to_dict() for sticker in await pack.get_stickers()],
})
@routes.delete("/pack/{pack_id}")
async def delete_pack(req: web.Request) -> web.Response:
user: User = req["user"]
pack = await user.get_pack(req.match_info["pack_id"])
if pack is None:
raise Error.pack_not_found
if pack.owner != user.id:
await user.remove_pack(pack)
else:
await pack.delete()
return web.Response(status=204)

12
sticker/server/database/pack.py
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@ -14,6 +14,7 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import List, Dict, Any
import json
from attr import dataclass
@ -35,15 +36,20 @@ class Pack(Base):
async def insert(self) -> None:
await self.db.execute("INSERT INTO pack (id, owner, title, meta) VALUES ($1, $2, $3, $4)",
self.id, self.owner, self.title, self.meta)
self.id, self.owner, self.title, json.dumps(self.meta))
@classmethod
def from_data(cls, **data: Any) -> 'Pack':
meta = json.loads(data.pop("meta"))
return cls(**data, meta=meta)
async def get_stickers(self) -> List[Sticker]:
res = await self.db.fetch('SELECT id, url, body, meta, "order" '
'FROM sticker WHERE pack_id=$1 ORDER BY "order"', self.id)
return [Sticker(**row, pack_id=self.id) for row in res]
return [Sticker.from_data(**row, pack_id=self.id) for row in res]
async def set_stickers(self, stickers: List[Sticker]) -> None:
data = ((sticker.id, self.id, sticker.url, sticker.body, sticker.meta, order)
data = ((sticker.id, self.id, sticker.url, sticker.body, json.dumps(sticker.meta), order)
for order, sticker in enumerate(stickers))
columns = ["id", "pack_id", "url", "body", "meta", "order"]
async with self.db.acquire() as conn, conn.transaction():

16
sticker/server/database/sticker.py
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@ -14,6 +14,7 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from typing import Dict, Any
import json
from attr import dataclass
import attr
@ -26,20 +27,12 @@ from .base import Base
@dataclass(kw_only=True)
class Sticker(Base):
pack_id: str
order: int
order: int = 0
id: str
url: ContentURI = attr.ib(order=False)
body: str = attr.ib(order=False)
meta: Dict[str, Any] = attr.ib(order=False)
async def delete(self) -> None:
await self.db.execute("DELETE FROM sticker WHERE id=$1", self.id)
async def insert(self) -> None:
await self.db.execute('INSERT INTO sticker (id, pack_id, url, body, meta, "order") '
"VALUES ($1, $2, $3, $4, $5, $6)",
self.id, self.pack_id, self.url, self.body, self.meta, self.order)
def to_dict(self) -> Dict[str, Any]:
return {
**self.meta,
@ -47,3 +40,8 @@ class Sticker(Base):
"url": self.url,
"id": self.id,
}
@classmethod
def from_data(cls, **data: Any) -> 'Sticker':
meta = json.loads(data.pop("meta"))
return cls(**data, meta=meta)

7
sticker/server/database/upgrade.py
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@ -47,10 +47,11 @@ async def upgrade_v1(conn: Connection) -> None:
PRIMARY KEY (user_id, pack_id)
)""")
await conn.execute("""CREATE TABLE sticker (
id TEXT PRIMARY KEY,
pack_id TEXT NOT NULL REFERENCES pack(id) ON DELETE CASCADE,
id TEXT,
pack_id TEXT REFERENCES pack(id) ON DELETE CASCADE,
url TEXT NOT NULL,
body TEXT NOT NULL,
meta JSONB NOT NULL,
"order" INT NOT NULL DEFAULT 0
"order" INT NOT NULL DEFAULT 0,
PRIMARY KEY (id, pack_id)
)""")

13
sticker/server/database/user.py
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@ -16,6 +16,7 @@
from typing import Optional, List, ClassVar
import random
import string
import time
from attr import dataclass
import asyncpg
@ -76,7 +77,7 @@ class User(Base):
res = await self.db.fetch("SELECT id, owner, title, meta FROM user_pack "
"LEFT JOIN pack ON pack.id=user_pack.pack_id "
'WHERE user_id=$1 ORDER BY "order"', self.id)
return [Pack(**row) for row in res]
return [Pack.from_data(**row) for row in res]
async def get_pack(self, pack_id: str) -> Optional[Pack]:
row = await self.db.fetchrow("SELECT id, owner, title, meta FROM user_pack "
@ -84,7 +85,7 @@ class User(Base):
"WHERE user_id=$1 AND pack_id=$2", self.id, pack_id)
if row is None:
return None
return Pack(**row)
return Pack.from_data(**row)
async def set_packs(self, packs: List[Pack]) -> None:
data = ((self.id, pack.id, order)
@ -93,3 +94,11 @@ class User(Base):
async with self.db.acquire() as conn, conn.transaction():
await conn.execute("DELETE FROM user_pack WHERE user_id=$1", self.id)
await conn.copy_records_to_table("user_pack", records=data, columns=columns)
async def add_pack(self, pack: Pack) -> None:
q = 'INSERT INTO user_pack (user_id, pack_id, "order") VALUES ($1, $2, $3)'
await self.db.execute(q, self.id, pack.id, int(time.time()))
async def remove_pack(self, pack: Pack) -> None:
q = "DELETE FROM user_pack WHERE user_id=$1 AND pack_id=$2"
await self.db.execute(q, self.id, pack.id)