Add ability to serve installer scripts on request

Author: agentmilindu

functions/index.js

@@ -2,17 +2,26 @@
 
 const functions = require('firebase-functions');
 const express = require('express');
-const app = express();
+const {Storage} = require('@google-cloud/storage');
+
 
-const cors = require('cors')({origin: true});
-app.use(cors);
+const app = express();
+const storage = new Storage();
+const bucket = storage.bucket('installer-to.appspot.com');
 
 app.get('/', (req, res) => {
   res.json({ status: 'OK' });
 });
 
 app.get('/:package', (req, res) => {
-  res.json( req.params );
+    try {
+        const file = bucket.file(req.params.package + '/installer.sh');
+        res.set('Content-Type', 'text/plain');
+        const readStream = file.createReadStream();
+        readStream.pipe(res);
+    } catch (e) {
+        res.send(e);
+    }
 });
 
 exports.app = functions.https.onRequest(app);

functions/package.json

@@ -2,6 +2,7 @@
   "name": "installer.to",
   "description": "A simple repo of installer scripts",
   "dependencies": {
+    "@google-cloud/storage": "^2.4.1",
     "cors": "^2.8.5",
     "express": "^4.16.4",
     "firebase-admin": "~6.5.1",

functions/yarn.lock

@@ -70,6 +70,23 @@
     string-format-obj "^1.1.0"
     through2 "^2.0.3"
 
+"@google-cloud/common@^0.30.2":
+  version "0.30.2"
+  resolved "https://registry.yarnpkg.com/@google-cloud/common/-/common-0.30.2.tgz#a00c4811d6f0c3eb86f163192215de750fbc61c6"
+  integrity sha512-JLIaSpMhhUetiwS30iC2SwNP51mayuSbyhRVdagqFC6rDVcqMHHsN8QJwUhCjOoHyfQ04n9SinfMCQzJTR9Liw==
+  dependencies:
+    "@google-cloud/projectify" "^0.3.2"
+    "@google-cloud/promisify" "^0.3.0"
+    "@types/duplexify" "^3.5.0"
+    "@types/request" "^2.47.0"
+    arrify "^1.0.1"
+    duplexify "^3.6.0"
+    ent "^2.2.0"
+    extend "^3.0.1"
+    google-auth-library "^3.0.0"
+    pify "^4.0.0"
+    retry-request "^4.0.0"
+
 "@google-cloud/firestore@^0.19.0":
   version "0.19.0"
   resolved "https://registry.yarnpkg.com/@google-cloud/firestore/-/firestore-0.19.0.tgz#c16c426a2af33badfa0257245bc04730c7094fec"
@@ -86,11 +103,27 @@
     protobufjs "^6.8.6"
     through2 "^3.0.0"
 
-"@google-cloud/projectify@^0.3.0":
+"@google-cloud/paginator@^0.1.0":
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/@google-cloud/paginator/-/paginator-0.1.2.tgz#a7e6579e43f153055b4c65035a6729490a611a60"
+  integrity sha512-XL09cuPSEPyyNifavxWJRYkUFr5zCJ9njcFjqc1AqSQ2QIKycwdTxOP/zHsAWj0xN3rw1ApevA8o+8VAD4R6hw==
+  dependencies:
+    arrify "^1.0.1"
+    extend "^3.0.1"
+    is "^3.2.1"
+    split-array-stream "^2.0.0"
+    stream-events "^1.0.4"
+
+"@google-cloud/projectify@^0.3.0", "@google-cloud/projectify@^0.3.2":
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/@google-cloud/projectify/-/projectify-0.3.2.tgz#ed54c98cae646dc03a742eac288184a13d33a4c2"
   integrity sha512-t1bs5gE105IpgikX7zPCJZzVyXM5xZ/1kJomUPim2E2pNp4OUUFNyvKm/T2aM6GBP2F30o8abCD+/wbOhHWYYA==
 
+"@google-cloud/promisify@^0.3.0":
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/@google-cloud/promisify/-/promisify-0.3.1.tgz#f641e6d944a8e0a05ee0cb1091dfa60089becdba"
+  integrity sha512-QzB0/IMvB0eFxFK7Eqh+bfC8NLv3E9ScjWQrPOk6GgfNroxcVITdTlT8NRsRrcp5+QQJVPLkRqKG0PUdaWXmHw==
+
 "@google-cloud/storage@^1.6.0":
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/@google-cloud/storage/-/storage-1.7.0.tgz#07bff573d92d5c294db6a04af246688875a8f74b"
@@ -118,6 +151,32 @@
     through2 "^2.0.0"
     xdg-basedir "^3.0.0"
 
+"@google-cloud/storage@^2.4.1":
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/@google-cloud/storage/-/storage-2.4.1.tgz#51871149304dd1341e2c32906abdbf8213ef1ea6"
+  integrity sha512-g9GQ/CWkB2Y1wyMnlWvj7dGbChIxfuran0O6kUtvqTKTLBpZpsvWo86xQV723JMXi/BenLkE1vy353bnRsa3Fw==
+  dependencies:
+    "@google-cloud/common" "^0.30.2"
+    "@google-cloud/paginator" "^0.1.0"
+    "@google-cloud/promisify" "^0.3.0"
+    arrify "^1.0.0"
+    async "^2.0.1"
+    compressible "^2.0.12"
+    concat-stream "^2.0.0"
+    duplexify "^3.5.0"
+    extend "^3.0.0"
+    gcs-resumable-upload "^0.14.1"
+    hash-stream-validation "^0.2.1"
+    mime "^2.2.0"
+    mime-types "^2.0.8"
+    once "^1.3.1"
+    pumpify "^1.5.1"
+    snakeize "^0.1.0"
+    stream-events "^1.0.1"
+    teeny-request "^3.11.3"
+    through2 "^3.0.0"
+    xdg-basedir "^3.0.0"
+
 "@grpc/grpc-js@^0.3.0":
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/@grpc/grpc-js/-/grpc-js-0.3.4.tgz#b53a90405063e2fc62a15267172d4f60c129cf1b"
@@ -215,6 +274,13 @@
   dependencies:
     "@types/express" "*"
 
+"@types/duplexify@^3.5.0":
+  version "3.6.0"
+  resolved "https://registry.yarnpkg.com/@types/duplexify/-/duplexify-3.6.0.tgz#dfc82b64bd3a2168f5bd26444af165bf0237dcd8"
+  integrity sha512-5zOA53RUlzN74bvrSGwjudssD9F3a797sDZQkiYpUOxW+WHaXTCPz4/d5Dgi6FKnOqZ2CpaTo0DhgIfsXAOE/A==
+  dependencies:
+    "@types/node" "*"
+
 "@types/express-serve-static-core@*":
   version "4.16.1"
   resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.16.1.tgz#35df7b302299a4ab138a643617bd44078e74d44e"
@@ -289,7 +355,7 @@
   resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
   integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
 
-"@types/request@*":
+"@types/request@*", "@types/request@^2.47.0":
   version "2.48.1"
   resolved "https://registry.yarnpkg.com/@types/request/-/request-2.48.1.tgz#e402d691aa6670fbbff1957b15f1270230ab42fa"
   integrity sha512-ZgEZ1TiD+KGA9LiAAPPJL68Id2UWfeSO62ijSXZjFJArVV+2pKcsVHmrcu+1oiE3q6eDGiFiSolRc4JHoerBBg==
@@ -500,13 +566,23 @@ balanced-match@^1.0.0:
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
   integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
 
+base64-js@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
+  integrity sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw==
+
 bcrypt-pbkdf@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
   integrity sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=
   dependencies:
     tweetnacl "^0.14.3"
 
+bignumber.js@^7.0.0:
+  version "7.2.1"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-7.2.1.tgz#80c048759d826800807c4bfd521e50edbba57a5f"
+  integrity sha512-S4XzBk5sMB+Rcb/LNcpzXr57VRTxgAvaAEDAl1AwRx27j00hT84O6OkteE7u8UB3NuaaygCRrEpqox4uDOrbdQ==
+
 [email protected]:
   version "1.18.3"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.3.tgz#5b292198ffdd553b3a0f20ded0592b956955c8b4"
@@ -699,6 +775,16 @@ concat-stream@^1.5.0, concat-stream@^1.6.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-2.0.0.tgz#414cf5af790a48c60ab9be4527d56d5e41133cb1"
+  integrity sha512-MWufYdFw53ccGjCA+Ol7XJYpAlW6/prSMzuPOTRnJGcGzuhLn4Scrz7qf6o8bROZ514ltazcIFJZevcfbo0x7A==
+  dependencies:
+    buffer-from "^1.0.0"
+    inherits "^2.0.3"
+    readable-stream "^3.0.2"
+    typedarray "^0.0.6"
+
 configstore@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/configstore/-/configstore-3.1.2.tgz#c6f25defaeef26df12dd33414b001fe81a543f8f"
@@ -711,6 +797,18 @@ configstore@^3.1.2:
     write-file-atomic "^2.0.0"
     xdg-basedir "^3.0.0"
 
+configstore@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-4.0.0.tgz#5933311e95d3687efb592c528b922d9262d227e7"
+  integrity sha512-CmquAXFBocrzaSM8mtGPMM/HiWmyIpr4CcJl/rgY2uCObZ/S7cKU0silxslqJejl+t/T9HS8E0PUNQD81JGUEQ==
+  dependencies:
+    dot-prop "^4.1.0"
+    graceful-fs "^4.1.2"
+    make-dir "^1.0.0"
+    unique-string "^1.0.0"
+    write-file-atomic "^2.0.0"
+    xdg-basedir "^3.0.0"
+
 console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
@@ -1115,6 +1213,11 @@ fast-levenshtein@~2.0.4:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
+fast-text-encoding@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fast-text-encoding/-/fast-text-encoding-1.0.0.tgz#3e5ce8293409cfaa7177a71b9ca84e1b1e6f25ef"
+  integrity sha512-R9bHCvweUxxwkDwhjav5vxpFvdPGlVngtqmx4pIZfSUhM/Q4NiIUHB456BAf+Q1Nwu3HEZYONtu+Rya+af4jiQ==
+
 [email protected]:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.11.1.tgz#f0efe18c4f56e4f40afc7e06c719fd5ee6188f38"
@@ -1251,6 +1354,15 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gaxios@^1.0.2, gaxios@^1.2.1:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/gaxios/-/gaxios-1.2.7.tgz#484b2ec996b0da75898cf8560e7cc6bc5104f840"
+  integrity sha512-E0tFhk7gqyLReJeBE/APaokrVNJ9zVHuuBKNTXTRhfItUhV0pW42NzzOJiK5kKup/4R+2e/SXJRRp2LT5huF8Q==
+  dependencies:
+    extend "^3.0.2"
+    https-proxy-agent "^2.2.1"
+    node-fetch "^2.2.0"
+
 gaxios@^1.0.4:
   version "1.2.6"
   resolved "https://registry.yarnpkg.com/gaxios/-/gaxios-1.2.6.tgz#c511473a2fda7518ec142dd15e56489d4d9f4248"
@@ -1278,6 +1390,14 @@ gcp-metadata@^0.7.0:
     extend "^3.0.1"
     retry-axios "0.3.2"
 
+gcp-metadata@^0.9.3:
+  version "0.9.3"
+  resolved "https://registry.yarnpkg.com/gcp-metadata/-/gcp-metadata-0.9.3.tgz#1f9d7495f7460a14526481f29e11596dd563dd26"
+  integrity sha512-caV4S84xAjENtpezLCT/GILEAF5h/bC4cNqZFmt/tjTn8t+JBtTkQrgBrJu3857YdsnlM8rxX/PMcKGtE8hUlw==
+  dependencies:
+    gaxios "^1.0.2"
+    json-bigint "^0.3.0"
+
 gcs-resumable-upload@^0.10.2:
   version "0.10.2"
   resolved "https://registry.yarnpkg.com/gcs-resumable-upload/-/gcs-resumable-upload-0.10.2.tgz#7f29b3ee23dcec4170367c0711418249c660545f"
@@ -1289,6 +1409,17 @@ gcs-resumable-upload@^0.10.2:
     request "^2.85.0"
     stream-events "^1.0.3"
 
+gcs-resumable-upload@^0.14.1:
+  version "0.14.1"
+  resolved "https://registry.yarnpkg.com/gcs-resumable-upload/-/gcs-resumable-upload-0.14.1.tgz#d0b0b2acc608d63e4164329b0a1231227383b532"
+  integrity sha512-vkIxLeVyW20DdcyhI8GvOkISV62y7+fKAdelUTn8F5en8AmPduqro5xz3VoHkj/RJ3PQmqNovYYaYPyPHwebzw==
+  dependencies:
+    configstore "^4.0.0"
+    google-auth-library "^3.0.0"
+    pumpify "^1.5.1"
+    request "^2.87.0"
+    stream-events "^1.0.4"
+
 getpass@^0.1.1:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.7.tgz#5eff8e3e684d569ae4cb2b1282604e8ba62149fa"
@@ -1339,6 +1470,21 @@ google-auth-library@^2.0.0:
     lru-cache "^5.0.0"
     semver "^5.5.0"
 
+google-auth-library@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/google-auth-library/-/google-auth-library-3.0.1.tgz#9eb5dc36978fe216a9af9354b8b8f91a5438007c"
+  integrity sha512-ZGTBMiQga/pwEw26ZKCn+q9PTPXvE4v5sL2V9HV3f2Gt0lrS+2H7XgbVCx850jrvlEL59JIheFiDqEn9CIa0nA==
+  dependencies:
+    base64-js "^1.3.0"
+    fast-text-encoding "^1.0.0"
+    gaxios "^1.2.1"
+    gcp-metadata "^0.9.3"
+    gtoken "^2.3.2"
+    https-proxy-agent "^2.2.1"
+    jws "^3.1.5"
+    lru-cache "^5.0.0"
+    semver "^5.5.0"
+
 google-auto-auth@^0.10.0:
   version "0.10.1"
   resolved "https://registry.yarnpkg.com/google-auto-auth/-/google-auto-auth-0.10.1.tgz#68834a6f3da59a6cb27fce56f76e3d99ee49d0a2"
@@ -1400,7 +1546,7 @@ grpc@^1.16.0:
     node-pre-gyp "^0.12.0"
     protobufjs "^5.0.3"
 
-gtoken@^2.3.0:
+gtoken@^2.3.0, gtoken@^2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/gtoken/-/gtoken-2.3.2.tgz#49890a866c1f44e173099be95515db5872a92151"
   integrity sha512-F8EObUGyC8Qd3WXTloNULZBwfUsOABoHElihB1F6zGhT/cy38iPL09wGLRY712I+hQnOyA+sYlgPFX2cOKz0qg==
@@ -1644,6 +1790,13 @@ jsbn@~0.1.0:
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
   integrity sha1-peZUwuWi3rXyAdls77yoDA7y9RM=
 
+json-bigint@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/json-bigint/-/json-bigint-0.3.0.tgz#0ccd912c4b8270d05f056fbd13814b53d3825b1e"
+  integrity sha1-DM2RLEuCcNBfBW+9E4FLU9OCWx4=
+  dependencies:
+    bignumber.js "^7.0.0"
+
 json-schema-traverse@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz#349a6d44c53a51de89b40805c5d5e59b417d3340"
@@ -2273,7 +2426,7 @@ rc@^1.2.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
-"readable-stream@2 || 3":
+"readable-stream@2 || 3", readable-stream@^3.0.2:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-3.1.1.tgz#ed6bbc6c5ba58b090039ff18ce670515795aeb06"
   integrity sha512-DkN66hPyqDhnIQ6Jcsvx9bFjhw214O4poMBcIMgPVpQvNy9a0e0Uhg5SqySyDKAmUlwt8LonTBz1ezOnM8pUdA==
@@ -2310,7 +2463,7 @@ regexpp@^1.0.1:
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.1.0.tgz#0e3516dd0b7904f413d2d4193dce4618c3a689ab"
   integrity sha512-LOPw8FpgdQF9etWMaAfG/WRthIdXJGYp4mJ2Jgn/2lpkbod9jPn0t9UqN7AxBOKNfzRbYyVfgc7Vk4t/MpnXgw==
 
-request@^2.79.0, request@^2.81.0, request@^2.85.0:
+request@^2.79.0, request@^2.81.0, request@^2.85.0, request@^2.87.0:
   version "2.88.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.88.0.tgz#9c2fca4f7d35b592efe57c7f0a55e81052124fef"
   integrity sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==
@@ -2499,6 +2652,13 @@ split-array-stream@^1.0.0:
     async "^2.4.0"
     is-stream-ended "^0.1.0"
 
+split-array-stream@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/split-array-stream/-/split-array-stream-2.0.0.tgz#85a4f8bfe14421d7bca7f33a6d176d0c076a53b1"
+  integrity sha512-hmMswlVY91WvGMxs0k8MRgq8zb2mSen4FmDNc5AFiTWtrBpdZN6nwD6kROVe4vNL+ywrvbCKsWVCnEd4riELIg==
+  dependencies:
+    is-stream-ended "^0.1.4"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -2529,7 +2689,7 @@ statuses@~1.4.0:
   resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.4.0.tgz#bb73d446da2796106efcc1b601a253d6c46bd087"
   integrity sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==
 
-stream-events@^1.0.1, stream-events@^1.0.3:
+stream-events@^1.0.1, stream-events@^1.0.3, stream-events@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/stream-events/-/stream-events-1.0.5.tgz#bbc898ec4df33a4902d892333d47da9bf1c406d5"
   integrity sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==
@@ -2643,6 +2803,15 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
+teeny-request@^3.11.3:
+  version "3.11.3"
+  resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-3.11.3.tgz#335c629f7645e5d6599362df2f3230c4cbc23a55"
+  integrity sha512-CKncqSF7sH6p4rzCgkb/z/Pcos5efl0DmolzvlqRQUNcpRIruOhY9+T1FsIlyEbfWd7MsFpodROOwHYh2BaXzw==
+  dependencies:
+    https-proxy-agent "^2.2.1"
+    node-fetch "^2.2.0"
+    uuid "^3.3.2"
+
 text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"

installers/hello/installer.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+echo "Hello!"