mirror of
https://github.com/ad1217/PrinterStatus
synced 2024-11-21 15:03:48 -05:00
server: Switch from generic http-proxy to mjpeg-proxy for webcam streams
This commit is contained in:
parent
5d19c77dce
commit
ecd5185dc4
101
server/package-lock.json
generated
101
server/package-lock.json
generated
@ -7,15 +7,14 @@
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"dependencies": {
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"express": "^4.17.1",
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"express-ws": "^5.0.2",
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"http-proxy": "^1.18.1",
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"js-yaml": "^4.1.0",
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"mjpeg-proxy": "^0.3.0",
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"node-fetch": "^2.6.5",
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"ws": "^8.2.3"
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},
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"devDependencies": {
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"@types/express": "^4.17.8",
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"@types/express-ws": "^3.0.0",
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"@types/http-proxy": "^1.17.4",
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"@types/js-yaml": "^4.0.3",
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"@types/node": "^16.10.3",
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"@types/node-fetch": "^2.5.12",
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@ -122,15 +121,6 @@
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"@types/ws": "*"
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}
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},
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"node_modules/@types/http-proxy": {
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"version": "1.17.7",
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"resolved": "https://registry.npmjs.org/@types/http-proxy/-/http-proxy-1.17.7.tgz",
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"integrity": "sha512-9hdj6iXH64tHSLTY+Vt2eYOGzSogC+JQ2H7bdPWkuh7KXP5qLllWx++t+K9Wk556c3dkDdPws/SpMRi0sdCT1w==",
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"dev": true,
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"dependencies": {
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"@types/node": "*"
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}
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},
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"node_modules/@types/js-yaml": {
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"version": "4.0.3",
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"resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.3.tgz",
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@ -388,11 +378,6 @@
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"node": ">= 0.6"
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}
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},
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"node_modules/eventemitter3": {
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"version": "4.0.7",
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"resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
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"integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw=="
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},
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"node_modules/express": {
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"version": "4.17.1",
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"resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
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@ -484,25 +469,6 @@
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"node": ">= 0.8"
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}
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},
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"node_modules/follow-redirects": {
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"version": "1.14.4",
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"resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.4.tgz",
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"integrity": "sha512-zwGkiSXC1MUJG/qmeIFH2HBJx9u0V46QGUe3YR1fXG8bXQxq7fLj0RjLZQ5nubr9qNJUZrH+xUcwXEoXNpfS+g==",
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"funding": [
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{
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"type": "individual",
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"url": "https://github.com/sponsors/RubenVerborgh"
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}
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],
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"engines": {
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"node": ">=4.0"
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},
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"peerDependenciesMeta": {
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"debug": {
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"optional": true
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}
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}
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},
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"node_modules/form-data": {
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"version": "3.0.1",
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"resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.1.tgz",
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@ -548,19 +514,6 @@
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"node": ">= 0.6"
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}
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},
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"node_modules/http-proxy": {
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"version": "1.18.1",
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"resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
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"integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
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"dependencies": {
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"eventemitter3": "^4.0.0",
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"follow-redirects": "^1.0.0",
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"requires-port": "^1.0.0"
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},
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"engines": {
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"node": ">=8.0.0"
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}
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},
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"node_modules/iconv-lite": {
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"version": "0.4.24",
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"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
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@ -653,6 +606,14 @@
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"node": ">= 0.6"
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}
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},
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"node_modules/mjpeg-proxy": {
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"version": "0.3.0",
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"resolved": "https://registry.npmjs.org/mjpeg-proxy/-/mjpeg-proxy-0.3.0.tgz",
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"integrity": "sha512-XpdOIPIw/as8djKkJyiT1YaxlM10vqA/KJmymnVl+bZcZYdLrNPYJjkJt+x+5I77vLxyD8QmDbmJrpb63YyRJw==",
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"engines": {
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"node": ">=10"
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}
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},
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"node_modules/ms": {
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"version": "2.0.0",
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"resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
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@ -743,11 +704,6 @@
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"node": ">= 0.8"
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}
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},
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"node_modules/requires-port": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
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"integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
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},
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"node_modules/safe-buffer": {
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"version": "5.1.2",
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"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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@ -1053,15 +1009,6 @@
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"@types/ws": "*"
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}
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},
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"@types/http-proxy": {
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"version": "1.17.7",
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"resolved": "https://registry.npmjs.org/@types/http-proxy/-/http-proxy-1.17.7.tgz",
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"integrity": "sha512-9hdj6iXH64tHSLTY+Vt2eYOGzSogC+JQ2H7bdPWkuh7KXP5qLllWx++t+K9Wk556c3dkDdPws/SpMRi0sdCT1w==",
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"dev": true,
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"requires": {
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"@types/node": "*"
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}
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},
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"@types/js-yaml": {
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"version": "4.0.3",
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"resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-4.0.3.tgz",
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@ -1274,11 +1221,6 @@
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"resolved": "https://registry.npmjs.org/etag/-/etag-1.8.1.tgz",
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"integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc="
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},
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"eventemitter3": {
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"version": "4.0.7",
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"resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
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"integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw=="
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},
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"express": {
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"version": "4.17.1",
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"resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
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@ -1346,11 +1288,6 @@
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"unpipe": "~1.0.0"
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}
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},
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"follow-redirects": {
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"version": "1.14.4",
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"resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.4.tgz",
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"integrity": "sha512-zwGkiSXC1MUJG/qmeIFH2HBJx9u0V46QGUe3YR1fXG8bXQxq7fLj0RjLZQ5nubr9qNJUZrH+xUcwXEoXNpfS+g=="
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},
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"form-data": {
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"version": "3.0.1",
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"resolved": "https://registry.npmjs.org/form-data/-/form-data-3.0.1.tgz",
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@ -1384,16 +1321,6 @@
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"toidentifier": "1.0.0"
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}
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},
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"http-proxy": {
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"version": "1.18.1",
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"resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
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"integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
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"requires": {
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"eventemitter3": "^4.0.0",
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"follow-redirects": "^1.0.0",
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"requires-port": "^1.0.0"
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}
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},
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"iconv-lite": {
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"version": "0.4.24",
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"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
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@ -1459,6 +1386,11 @@
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"mime-db": "1.50.0"
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}
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},
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"mjpeg-proxy": {
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"version": "0.3.0",
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"resolved": "https://registry.npmjs.org/mjpeg-proxy/-/mjpeg-proxy-0.3.0.tgz",
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"integrity": "sha512-XpdOIPIw/as8djKkJyiT1YaxlM10vqA/KJmymnVl+bZcZYdLrNPYJjkJt+x+5I77vLxyD8QmDbmJrpb63YyRJw=="
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},
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"ms": {
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"version": "2.0.0",
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"resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
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@ -1525,11 +1457,6 @@
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"unpipe": "1.0.0"
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}
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},
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"requires-port": {
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"version": "1.0.0",
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"resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
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"integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
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},
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"safe-buffer": {
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"version": "5.1.2",
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"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
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@ -2,7 +2,6 @@
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"devDependencies": {
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"@types/express": "^4.17.8",
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"@types/express-ws": "^3.0.0",
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"@types/http-proxy": "^1.17.4",
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"@types/js-yaml": "^4.0.3",
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"@types/node": "^16.10.3",
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"@types/node-fetch": "^2.5.12",
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@ -13,12 +12,12 @@
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"dependencies": {
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"express": "^4.17.1",
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"express-ws": "^5.0.2",
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"http-proxy": "^1.18.1",
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"js-yaml": "^4.1.0",
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"mjpeg-proxy": "^0.3.0",
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"node-fetch": "^2.6.5",
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"ws": "^8.2.3"
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},
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"scripts": {
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"start": "ts-node ./src/server.ts"
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"start": "ts-node --files ./src/server.ts"
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}
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}
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@ -1,5 +1,7 @@
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import * as WebSocket from 'ws';
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import fetch from 'node-fetch';
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/// <reference path="mjpeg-proxy.d.ts"/>
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import { MjpegProxy } from 'mjpeg-proxy';
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import {ExtendedMessage} from '../../types/messages';
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import * as octoprint from '../../types/octoprint';
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@ -9,8 +11,8 @@ const PING_TIME = 10000;
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type Timeout = ReturnType<typeof setTimeout>;
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export default class OctoprintConnection {
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public webcamURL?: URL;
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public name?: string;
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public webcamProxy?: MjpegProxy;
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protected lastStatus?: ExtendedMessage;
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constructor(
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@ -34,7 +36,11 @@ export default class OctoprintConnection {
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async connect_websocket() {
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const settings = await this.api_get('settings');
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this.webcamURL = new URL(settings.webcam.streamUrl, this.address);
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const webcamURL = new URL(settings.webcam.streamUrl, this.address);
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// TODO: handle recreating proxy on URL change
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if (this.webcamProxy === undefined) {
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this.webcamProxy = new MjpegProxy(webcamURL.toString());
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}
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this.name = settings.appearance.name;
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// do passive login to get a session key from the API key
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12
server/src/mjpeg-proxy.d.ts
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12
server/src/mjpeg-proxy.d.ts
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declare module 'mjpeg-proxy' {
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import {Request, Response} from 'express';
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export class MjpegProxy {
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mjpegOptions: URL;
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constructor(mjpegUrl: string | URL);
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proxyRequest(
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req: Request,
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res: Response
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): void;
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}
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}
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@ -1,7 +1,6 @@
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import * as fs from 'fs';
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import * as express from 'express';
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import * as httpProxy from 'http-proxy';
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import * as yaml from 'js-yaml';
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import * as expressWs from 'express-ws';
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import * as WebSocket from 'ws';
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@ -22,11 +21,6 @@ const config: configuration = yaml.load(
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fs.readFileSync('config.yaml', 'utf8')
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) as configuration;
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const proxy = httpProxy.createProxyServer({});
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proxy.on('error', function (e) {
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console.error('Proxy failed:');
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console.error(e);
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});
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let octoprintConnections: OctoPrintConnection[] = [];
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function broadcast(data: WebSocket.Data) {
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@ -52,9 +46,8 @@ app.get('/webcam/:printer', (req, res) => {
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let printer: OctoPrintConnection | undefined = octoprintConnections.find(
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(op) => op.slug === req.params.printer
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);
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if (printer?.webcamURL) {
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req.url = ''; // truncate the url for passing to the proxy
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proxy.web(req, res, { target: printer.webcamURL.toString() });
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if (printer?.webcamProxy) {
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return printer.webcamProxy.proxyRequest(req, res);
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} else res.status(404).send('Not Found: Printer not known or has no webcam.');
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});
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@ -63,7 +56,12 @@ app.listen(PORT);
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function initPrinters() {
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octoprintConnections = Object.entries(config.printers).map(
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([slug, printer]) =>
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new OctoPrintConnection(slug, printer.address, printer.apikey, broadcastPayload)
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new OctoPrintConnection(
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slug,
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printer.address,
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printer.apikey,
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broadcastPayload
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)
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);
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}
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