Remove non-existent variable

Fixes #83
Fixes #86
Fixes #87

.gitlab-ci.yml

@@ -0,0 +1,13 @@
+variables:
+  GOTOOLCHAIN: local
+
+build giphy proxy docker:
+  image: docker:stable
+  stage: build
+  before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+  script:
+  - docker build -t $CI_REGISTRY_IMAGE/giphyproxy:latest giphyproxy
+  - docker push $CI_REGISTRY_IMAGE/giphyproxy:latest
+  only:
+  - master

giphyproxy/Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:1-alpine AS builder
+
+RUN apk add --no-cache ca-certificates
+WORKDIR /build/giphyproxy
+COPY . /build/giphyproxy
+ENV CGO_ENABLED=0
+RUN go build -o /usr/bin/giphyproxy
+
+FROM scratch
+
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /usr/bin/giphyproxy /usr/bin/giphyproxy
+
+VOLUME /data
+WORKDIR /data
+CMD ["/usr/bin/giphyproxy"]

giphyproxy/example-config.yaml

@@ -0,0 +1,21 @@
+# The server name to use for the custom mxc:// URIs.
+# This server name will effectively be a real Matrix server, it just won't implement anything other than media.
+# You must either set up .well-known delegation from this domain to this program, or proxy the domain directly to this program.
+server_name: giphy.example.com
+# Optionally a custom .well-known response. This defaults to `server_name:443` if empty.
+well_known_response:
+# Matrix server signing key to make the federation tester pass, same format as synapse's .signing.key file.
+# You can generate one using `giphyproxy -generate-key`.
+server_key: CHANGE ME
+# Should federation authentication be enforced?
+# If true, requests to the /_matrix/federation/v1/media/download/... endpoint
+# will check the Authorization: X-Matrix header before redirecting.
+federation_auth: false
+
+# Hostname where the proxy should listen on
+hostname: 0.0.0.0
+# Port where the proxy should listen on
+port: 8008
+
+# Redirect destination. This can be changed to serve a different format.
+destination: https://i.giphy.com/%s.webp

giphyproxy/go.mod

@@ -0,0 +1,28 @@
+module go.mau.fi/stickerpicker/giphyproxy
+
+go 1.23.0
+
+toolchain go1.24.4
+
+require (
+	go.mau.fi/util v0.8.8
+	gopkg.in/yaml.v3 v3.0.1
+	maunium.net/go/mautrix v0.24.2-0.20250629161127-7a7d7f70ef92
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/gorilla/mux v1.8.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/rs/zerolog v1.34.0 // indirect
+	github.com/tidwall/gjson v1.18.0 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.1 // indirect
+	github.com/tidwall/sjson v1.2.5 // indirect
+	golang.org/x/crypto v0.39.0 // indirect
+	golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 // indirect
+	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+)

giphyproxy/go.sum

@@ -0,0 +1,54 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
+github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
+github.com/rs/zerolog v1.34.0 h1:k43nTLIwcTVQAncfCw4KZ2VY6ukYoZaBPNOE8txlOeY=
+github.com/rs/zerolog v1.34.0/go.mod h1:bJsvje4Z08ROH4Nhs5iH600c3IkWhwp44iRc54W6wYQ=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/tidwall/gjson v1.14.2/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/gjson v1.18.0 h1:FIDeeyB800efLX89e5a8Y0BNH+LOngJyGrIWxG2FKQY=
+github.com/tidwall/gjson v1.18.0/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/pretty v1.2.1 h1:qjsOFOWWQl+N3RsoF5/ssm1pHmJJwhjlSbZ51I6wMl4=
+github.com/tidwall/pretty v1.2.1/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/sjson v1.2.5 h1:kLy8mja+1c9jlljvWTlSazM7cKDRfJuR/bOJhcY5NcY=
+github.com/tidwall/sjson v1.2.5/go.mod h1:Fvgq9kS/6ociJEDnK0Fk1cpYF4FIW6ZF7LAe+6jwd28=
+go.mau.fi/util v0.8.8 h1:OnuEEc/sIJFhnq4kFggiImUpcmnmL/xpvQMRu5Fiy5c=
+go.mau.fi/util v0.8.8/go.mod h1:Y/kS3loxTEhy8Vill513EtPXr+CRDdae+Xj2BXXMy/c=
+golang.org/x/crypto v0.39.0 h1:SHs+kF4LP+f+p14esP5jAoDpHU8Gu/v9lFRK6IT5imM=
+golang.org/x/crypto v0.39.0/go.mod h1:L+Xg3Wf6HoL4Bn4238Z6ft6KfEpN0tJGo53AAPC632U=
+golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476 h1:bsqhLWFR6G6xiQcb+JoGqdKdRU6WzPWmK8E0jxTjzo4=
+golang.org/x/exp v0.0.0-20250606033433-dcc06ee1d476/go.mod h1:3//PLf8L/X+8b4vuAfHzxeRUl04Adcb341+IGKfnqS8=
+golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
+golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
+golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
+golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+maunium.net/go/mautrix v0.24.2-0.20250629161127-7a7d7f70ef92 h1:j/QuGIVm5/KPlxMgbViphre7shSwnI7LIjNeiLDSnL4=
+maunium.net/go/mautrix v0.24.2-0.20250629161127-7a7d7f70ef92/go.mod h1:Xy6o+pXmbqmgWsUWh15EQ1eozjC+k/VT/7kloByv9PI=

giphyproxy/main.go

@@ -0,0 +1,76 @@
+// maunium-stickerpicker - A fast and simple Matrix sticker picker widget.
+// Copyright (C) 2024 Tulir Asokan
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// 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/>.
+
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"regexp"
+	"time"
+
+	"go.mau.fi/util/exerrors"
+	"gopkg.in/yaml.v3"
+	"maunium.net/go/mautrix/federation"
+	"maunium.net/go/mautrix/mediaproxy"
+)
+
+type Config struct {
+	mediaproxy.BasicConfig  `yaml:",inline"`
+	mediaproxy.ServerConfig `yaml:",inline"`
+	Destination             string `yaml:"destination"`
+}
+
+var configPath = flag.String("config", "config.yaml", "config file path")
+var generateServerKey = flag.Bool("generate-key", false, "generate a new server key and exit")
+
+var giphyIDRegex = regexp.MustCompile(`^[a-zA-Z0-9-_]+$`)
+var destination = "https://i.giphy.com/%s.webp"
+
+func main() {
+	flag.Parse()
+	if *generateServerKey {
+		fmt.Println(federation.GenerateSigningKey().SynapseString())
+	} else {
+		cfgFile := exerrors.Must(os.ReadFile(*configPath))
+		var cfg Config
+		exerrors.PanicIfNotNil(yaml.Unmarshal(cfgFile, &cfg))
+		mp := exerrors.Must(mediaproxy.NewFromConfig(cfg.BasicConfig, getMedia))
+		mp.KeyServer.Version.Name = "mautrix-go + maunium-stickerpicker giphy proxy"
+		if cfg.Destination != "" {
+			destination = cfg.Destination
+		}
+		exerrors.PanicIfNotNil(mp.Listen(cfg.ServerConfig))
+	}
+}
+
+func getMedia(_ context.Context, id string, _ map[string]string) (response mediaproxy.GetMediaResponse, err error) {
+	// This is not related to giphy, but random cats are always fun
+	if id == "cat" {
+		return &mediaproxy.GetMediaResponseURL{
+			URL:       "https://cataas.com/cat",
+			ExpiresAt: time.Now(),
+		}, nil
+	}
+	if !giphyIDRegex.MatchString(id) {
+		return nil, mediaproxy.ErrInvalidMediaIDSyntax
+	}
+	return &mediaproxy.GetMediaResponseURL{
+		URL: fmt.Sprintf(destination, id),
+	}, nil
+}

setup.py

@@ -50,5 +50,6 @@ setuptools.setup(
     entry_points={"console_scripts": [
         "sticker-import=sticker.stickerimport:cmd",
         "sticker-pack=sticker.pack:cmd",
+        "sticker-download-thumbnails=sticker.download_thumbnails:cmd",
     ]},
 )

sticker/download_thumbnails.py

@@ -0,0 +1,58 @@
+# maunium-stickerpicker - A fast and simple Matrix sticker picker widget.
+# Copyright (C) 2025 Tulir Asokan
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# 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 pathlib import Path
+from typing import Dict
+import argparse
+import asyncio
+import json
+
+from aiohttp import ClientSession
+from yarl import URL
+
+from .lib import matrix, util
+
+parser = argparse.ArgumentParser()
+parser.add_argument("--config",
+                    help="Path to JSON file with Matrix homeserver and access_token",
+                    type=str, default="config.json", metavar="file")
+parser.add_argument("path", help="Path to the sticker pack JSON file", type=str)
+
+
+async def main(args: argparse.Namespace) -> None:
+    await matrix.load_config(args.config)
+    with util.open_utf8(args.path) as pack_file:
+        pack = json.load(pack_file)
+        print(f"Loaded existing pack meta from {args.path}")
+
+    stickers_data: Dict[str, bytes] = {}
+    async with ClientSession() as sess:
+        for sticker in pack["stickers"]:
+            dl_url = URL(matrix.homeserver_url) / "_matrix/client/v1/media/download" / sticker["url"].removeprefix("mxc://")
+            print("Downloading", sticker["url"])
+            async with sess.get(dl_url, headers={"Authorization": f"Bearer {matrix.access_token}"}) as resp:
+                resp.raise_for_status()
+                stickers_data[sticker["url"]] = await resp.read()
+
+    print("All stickers downloaded, generating thumbnails...")
+    util.add_thumbnails(pack["stickers"], stickers_data, Path(args.path).parent)
+    print("Done!")
+
+def cmd():
+    asyncio.run(main(parser.parse_args()))
+
+
+if __name__ == "__main__":
+    cmd()

sticker/lib/matrix.py

@@ -59,7 +59,7 @@ async def load_config(path: str) -> None:
         print("Matrix config file not found. Please enter your homeserver and access token.")
         homeserver_url = input("Homeserver URL: ")
         access_token = input("Access token: ")
-        whoami_url = URL(homeserver_url) / "_matrix" / "client" / "r0" / "account" / "whoami"
+        whoami_url = URL(homeserver_url) / "_matrix" / "client" / "v3" / "account" / "whoami"
         if whoami_url.scheme not in ("https", "http"):
             whoami_url = whoami_url.with_scheme("https")
         user_id = await whoami(whoami_url, access_token)
@@ -71,7 +71,7 @@ async def load_config(path: str) -> None:
             }, config_file)
         print(f"Wrote config to {path}")
 
-    upload_url = URL(homeserver_url) / "_matrix" / "media" / "r0" / "upload"
+    upload_url = URL(homeserver_url) / "_matrix" / "media" / "v3" / "upload"
 
 
 async def whoami(url: URL, access_token: str) -> str:

sticker/lib/util.py

@@ -17,6 +17,8 @@ from functools import partial
 from io import BytesIO
 import os.path
 import json
+from pathlib import Path
+from typing import Dict, List
 
 from PIL import Image
 
@@ -24,19 +26,19 @@ from . import matrix
 
 open_utf8 = partial(open, encoding='UTF-8')
 
-def convert_image(data: bytes) -> (bytes, int, int):
+def convert_image(data: bytes, max_w=256, max_h=256) -> (bytes, int, int):
     image: Image.Image = Image.open(BytesIO(data)).convert("RGBA")
     new_file = BytesIO()
     image.save(new_file, "png")
     w, h = image.size
-    if w > 256 or h > 256:
+    if w > max_w or h > max_h:
         # Set the width and height to lower values so clients wouldn't show them as huge images
         if w > h:
-            h = int(h / (w / 256))
-            w = 256
+            h = int(h / (w / max_w))
+            w = max_w
         else:
-            w = int(w / (h / 256))
-            h = 256
+            w = int(w / (h / max_h))
+            h = max_h
     return new_file.getvalue(), w, h
 
 
@@ -78,3 +80,15 @@ def make_sticker(mxc: str, width: int, height: int, size: int,
         },
         "msgtype": "m.sticker",
     }
+
+
+def add_thumbnails(stickers: List[matrix.StickerInfo], stickers_data: Dict[str, bytes], output_dir: str) -> None:
+    thumbnails = Path(output_dir, "thumbnails")
+    thumbnails.mkdir(parents=True, exist_ok=True)
+
+    for sticker in stickers:       
+        image_data, _, _ = convert_image(stickers_data[sticker["url"]], 128, 128)
+        
+        name = sticker["url"].split("/")[-1]
+        thumbnail_path = thumbnails / name
+        thumbnail_path.write_bytes(image_data)

sticker/pack.py

@@ -13,6 +13,7 @@
 #
 # 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 pathlib import Path
 from typing import Dict, Optional
 from hashlib import sha256
 import mimetypes
@@ -107,9 +108,11 @@ async def main(args: argparse.Namespace) -> None:
         old_stickers = {sticker["id"]: sticker for sticker in pack["stickers"]}
         pack["stickers"] = []
 
+    stickers_data: Dict[str, bytes] = {}
     for file in sorted(os.listdir(args.path)):
         sticker = await upload_sticker(file, args.path, old_stickers=old_stickers)
         if sticker:
+            stickers_data[sticker["url"]]  = Path(args.path, file).read_bytes()
             pack["stickers"].append(sticker)
 
     with util.open_utf8(meta_path, "w") as pack_file:
@@ -122,6 +125,8 @@ async def main(args: argparse.Namespace) -> None:
         with util.open_utf8(picker_pack_path, "w") as pack_file:
             json.dump(pack, pack_file)
         print(f"Copied pack to {picker_pack_path}")
+
+        util.add_thumbnails(pack["stickers"], stickers_data, args.add_to_index)
         util.add_to_index(picker_file_name, args.add_to_index)
 
 
@@ -138,7 +143,7 @@ parser.add_argument("path", help="Path to the sticker pack directory", type=str)
 
 
 def cmd():
-    asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))
+    asyncio.run(main(parser.parse_args()))
 
 
 if __name__ == "__main__":

sticker/stickerimport.py

@@ -13,7 +13,7 @@
 #
 # 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
+from typing import Dict, Tuple
 import argparse
 import asyncio
 import os.path
@@ -29,7 +29,7 @@ from telethon.tl.types.messages import StickerSet as StickerSetFull
 from .lib import matrix, util
 
 
-async def reupload_document(client: TelegramClient, document: Document) -> matrix.StickerInfo:
+async def reupload_document(client: TelegramClient, document: Document) -> Tuple[matrix.StickerInfo, bytes]:
     print(f"Reuploading {document.id}", end="", flush=True)
     data = await client.download_media(document, file=bytes)
     print(".", end="", flush=True)
@@ -37,7 +37,7 @@ async def reupload_document(client: TelegramClient, document: Document) -> matri
     print(".", end="", flush=True)
     mxc = await matrix.upload(data, "image/png", f"{document.id}.png")
     print(".", flush=True)
-    return util.make_sticker(mxc, width, height, len(data))
+    return util.make_sticker(mxc, width, height, len(data)), data
 
 
 def add_meta(document: Document, info: matrix.StickerInfo, pack: StickerSetFull) -> None:
@@ -56,10 +56,6 @@ def add_meta(document: Document, info: matrix.StickerInfo, pack: StickerSetFull)
 
 
 async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir: str) -> None:
-    if pack.set.animated:
-        print("Animated stickerpacks are currently not supported")
-        return
-
     pack_path = os.path.join(output_dir, f"{pack.set.short_name}.json")
     try:
         os.mkdir(os.path.dirname(pack_path))
@@ -79,15 +75,17 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir
     except FileNotFoundError:
         pass
 
+    stickers_data: Dict[str, bytes] = {}
     reuploaded_documents: Dict[int, matrix.StickerInfo] = {}
     for document in pack.documents:
         try:
             reuploaded_documents[document.id] = already_uploaded[document.id]
             print(f"Skipped reuploading {document.id}")
         except KeyError:
-            reuploaded_documents[document.id] = await reupload_document(client, document)
+            reuploaded_documents[document.id], data = await reupload_document(client, document)
         # Always ensure the body and telegram metadata is correct
         add_meta(document, reuploaded_documents[document.id], pack)
+        stickers_data[reuploaded_documents[document.id]["url"]] = data
 
     for sticker in pack.packs:
         if not sticker.emoticon:
@@ -111,6 +109,7 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir
         }, pack_file, ensure_ascii=False)
     print(f"Saved {pack.set.title} as {pack.set.short_name}.json")
 
+    util.add_thumbnails(list(reuploaded_documents.values()), stickers_data, output_dir)
     util.add_to_index(os.path.basename(pack_path), output_dir)
 
 
@@ -162,7 +161,7 @@ async def main(args: argparse.Namespace) -> None:
 
 
 def cmd() -> None:
-    asyncio.get_event_loop().run_until_complete(main(parser.parse_args()))
+    asyncio.run(main(parser.parse_args()))
 
 
 if __name__ == "__main__":

web/src/giphy.js

@@ -68,9 +68,9 @@ export class GiphySearchTab extends Component {
 		widgetAPI.sendSticker({
 			"body": gif.title,
 			"info": {
-				"h": gif.images.original.height,
-				"w": gif.images.original.width,
-				"size": gif.images.original.size,
+				"h": +gif.images.original.height,
+				"w": +gif.images.original.width,
+				"size": +gif.images.original.size,
 				"mimetype": "image/webp",
 			},
 			"msgtype": "m.image",

web/src/index.js

@@ -29,10 +29,8 @@ const params = new URLSearchParams(document.location.search)
 if (params.has('config')) {
 	INDEX = params.get("config")
 }
-// This is updated from packs/index.json
-let HOMESERVER_URL = "https://matrix-client.matrix.org"
 
-const makeThumbnailURL = mxc => `${HOMESERVER_URL}/_matrix/media/v3/thumbnail/${mxc.slice(6)}?height=128&width=128&method=scale`
+const makeThumbnailURL = mxc => `${PACKS_BASE_URL}/thumbnails/${mxc.split("/").slice(-1)[0]}`
 
 // We need to detect iOS webkit because it has a bug related to scrolling non-fixed divs
 // This is also used to fix scrolling to sections on Element iOS
@@ -165,7 +163,6 @@ class App extends Component {
 				return
 			}
 			const indexData = await indexRes.json()
-			HOMESERVER_URL = indexData.homeserver_url || HOMESERVER_URL
 			if (indexData.giphy_api_key !== undefined) {
 				setGiphyAPIKey(indexData.giphy_api_key, indexData.giphy_mxc_prefix)
 			}