slices.network
Auto-indexing service and GraphQL API for AT Protocol Records
quickslice.slices.network/
atproto
gleam
graphql
add patch for mist sec-websocket-accept header
chadtmiller.com
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Dockerfile
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Dockerfile
···
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# Add server code
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COPY ./server /build/server
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# Add patches directory
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COPY ./patches /build/patches
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# Build Rust NIFs for lexicon package (Linux build produces .so)
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RUN cd /build/lexicon/native/lexicon_nif && cargo build --release && \
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mkdir -p /build/lexicon/priv && \
···
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RUN cd /build/lexicon && gleam deps download
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RUN cd /build/lexicon_graphql && gleam deps download
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RUN cd /build/server && gleam deps download
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# Apply patches to dependencies
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RUN cd /build && patch -p1 < patches/mist-websocket-protocol.patch
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# Compile the server code
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RUN cd /build/server \
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apply-patches.sh
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apply-patches.sh
···
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#!/bin/bash
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# Apply patches to dependencies after gleam build
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# Run this after: gleam build
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set -e
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cd "$(dirname "$0")"
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echo "Applying patches..."
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# Check if the mist package exists
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if [ ! -f "server/build/packages/mist/src/mist/internal/http.gleam" ]; then
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echo "Error: mist package not found. Run 'cd server && gleam build' first."
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exit 1
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fi
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# Apply the WebSocket protocol patch
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if patch -p1 --dry-run --silent < patches/mist-websocket-protocol.patch 2>/dev/null; then
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patch -p1 < patches/mist-websocket-protocol.patch
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echo "✓ Applied mist WebSocket protocol patch"
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else
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echo "⚠ Patch already applied or failed to apply"
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fi
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echo "Done!"
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patches/mist-websocket-protocol.patch
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patches/mist-websocket-protocol.patch
···
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--- a/server/build/packages/mist/src/mist/internal/http.gleam
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+++ b/server/build/packages/mist/src/mist/internal/http.gleam
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@@ -489,6 +489,9 @@ pub fn upgrade_socket(
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|> result.replace_error(req),
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)
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+ // Check for WebSocket subprotocol (e.g., graphql-transport-ws)
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+ let protocol = request.get_header(req, "sec-websocket-protocol")
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+
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let permessage_deflate = websocket.has_deflate(extensions)
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let accept_key = parse_websocket_key(key)
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@@ -500,6 +503,12 @@ pub fn upgrade_socket(
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|> response.prepend_header("connection", "Upgrade")
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|> response.prepend_header("sec-websocket-accept", accept_key)
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+
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+ // Add subprotocol header if requested
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+ let resp = case protocol {
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+ Ok(proto) -> response.prepend_header(resp, "sec-websocket-protocol", proto)
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+ Error(_) -> resp
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+ }
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+
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case permessage_deflate {
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True ->
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Ok(response.prepend_header(