From 64833a04085b33948256caa4d6a787a9f15d08db Mon Sep 17 00:00:00 2001
From: Brikaa <brikaaomar@gmail.com>
Date: Fri, 15 Oct 2021 14:25:33 +0200
Subject: [PATCH 1/4] pkg(file-0.0.1): Run executable

---
 api/src/api/v2.js                 |  19 ++++++++++---------
 api/src/job.js                    |   8 ++++++--
 packages/file/0.0.1/build.sh      |   3 +++
 packages/file/0.0.1/environment   |   3 +++
 packages/file/0.0.1/metadata.json |   5 +++++
 packages/file/0.0.1/run           |   6 ++++++
 packages/file/0.0.1/test.file     | Bin 0 -> 16568 bytes
 readme.md                         |   1 +
 8 files changed, 34 insertions(+), 11 deletions(-)
 create mode 100755 packages/file/0.0.1/build.sh
 create mode 100644 packages/file/0.0.1/environment
 create mode 100644 packages/file/0.0.1/metadata.json
 create mode 100644 packages/file/0.0.1/run
 create mode 100755 packages/file/0.0.1/test.file

diff --git a/api/src/api/v2.js b/api/src/api/v2.js
index c0526f4..d6cd3f2 100644
--- a/api/src/api/v2.js
+++ b/api/src/api/v2.js
@@ -87,15 +87,6 @@ function get_job(body) {
             }
         }
 
-        if (
-            files.filter(file => !file.encoding || file.encoding === 'utf8')
-                .length === 0
-        ) {
-            return reject({
-                message: 'files must include at least one utf8 encoded file',
-            });
-        }
-
         const rt = runtime.get_latest_runtime_matching_language_version(
             language,
             version
@@ -106,6 +97,16 @@ function get_job(body) {
             });
         }
 
+        if (
+            rt.language !== 'file' &&
+            files.filter(file => !file.encoding || file.encoding === 'utf8')
+                .length === 0
+        ) {
+            return reject({
+                message: 'files must include at least one utf8 encoded file',
+            });
+        }
+
         for (const constraint of ['memory_limit', 'timeout']) {
             for (const type of ['compile', 'run']) {
                 const constraint_name = `${type}_${constraint}`;
diff --git a/api/src/job.js b/api/src/job.js
index 7acff22..ca95e6f 100644
--- a/api/src/job.js
+++ b/api/src/job.js
@@ -222,7 +222,9 @@ class Job {
             } runtime=${this.runtime.toString()}`
         );
 
-        const code_files = this.files.filter(file => file.encoding == 'utf8');
+        const code_files =
+            (this.runtime.language === 'file' && this.files) ||
+            this.files.filter(file => file.encoding == 'utf8');
 
         logger.debug('Compiling');
 
@@ -270,7 +272,9 @@ class Job {
             } gid=${this.gid} runtime=${this.runtime.toString()}`
         );
 
-        const code_files = this.files.filter(file => file.encoding == 'utf8');
+        const code_files =
+            (this.runtime.language === 'file' && this.files) ||
+            this.files.filter(file => file.encoding == 'utf8');
 
         if (this.runtime.compiled) {
             eventBus.emit('stage', 'compile');
diff --git a/packages/file/0.0.1/build.sh b/packages/file/0.0.1/build.sh
new file mode 100755
index 0000000..d7ab47e
--- /dev/null
+++ b/packages/file/0.0.1/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+# Nothing to do here
diff --git a/packages/file/0.0.1/environment b/packages/file/0.0.1/environment
new file mode 100644
index 0000000..d5a7803
--- /dev/null
+++ b/packages/file/0.0.1/environment
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+export PATH=$PWD:$PATH
diff --git a/packages/file/0.0.1/metadata.json b/packages/file/0.0.1/metadata.json
new file mode 100644
index 0000000..ae34ae9
--- /dev/null
+++ b/packages/file/0.0.1/metadata.json
@@ -0,0 +1,5 @@
+{
+    "language": "file",
+    "version": "0.0.1",
+    "aliases": ["executable", "elf", "binary"]
+}
diff --git a/packages/file/0.0.1/run b/packages/file/0.0.1/run
new file mode 100644
index 0000000..77ed0a6
--- /dev/null
+++ b/packages/file/0.0.1/run
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+filename="$1"
+chmod +x "$filename"
+shift
+./"$filename" "$@"
diff --git a/packages/file/0.0.1/test.file b/packages/file/0.0.1/test.file
new file mode 100755
index 0000000000000000000000000000000000000000..8c7a67d92841fc71dd40ef76305328833c4aab6e
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diff --git a/readme.md b/readme.md
index d2f2e75..1679568 100644
--- a/readme.md
+++ b/readme.md
@@ -341,6 +341,7 @@ Content-Type: application/json
 `elixir`,
 `emacs`,
 `erlang`,
+`file`,
 `forte`,
 `fortran`,
 `freebasic`,

From 821d5496e4257193f949fd7932e167c43d1182d2 Mon Sep 17 00:00:00 2001
From: Brikaa <brikaaomar@gmail.com>
Date: Fri, 15 Oct 2021 16:51:11 +0200
Subject: [PATCH 2/4] Check for base64 in CLI

---
 cli/commands/execute.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/cli/commands/execute.js b/cli/commands/execute.js
index c69d3a0..4929ccc 100644
--- a/cli/commands/execute.js
+++ b/cli/commands/execute.js
@@ -245,9 +245,18 @@ async function run_non_interactively(files, argv) {
 
 exports.handler = async argv => {
     const files = [...(argv.files || []), argv.file].map(file_path => {
+        const encoding =
+            (fs
+                .readFileSync(file_path)
+                .toString()
+                .split('')
+                .some(x => x.charCodeAt(0) >= 128) &&
+                'base64') ||
+            'utf8';
         return {
             name: path.basename(file_path),
-            content: fs.readFileSync(file_path).toString(),
+            content: fs.readFileSync(file_path).toString(encoding),
+            encoding,
         };
     });
 

From 19252467cbd91920eb897cd6439f186b72b0df68 Mon Sep 17 00:00:00 2001
From: Brikaa <brikaaomar@gmail.com>
Date: Fri, 15 Oct 2021 16:57:11 +0200
Subject: [PATCH 3/4] Use some() instead of filter() in v2.js

---
 api/src/api/v2.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/api/src/api/v2.js b/api/src/api/v2.js
index d6cd3f2..4f0c3e2 100644
--- a/api/src/api/v2.js
+++ b/api/src/api/v2.js
@@ -99,8 +99,7 @@ function get_job(body) {
 
         if (
             rt.language !== 'file' &&
-            files.filter(file => !file.encoding || file.encoding === 'utf8')
-                .length === 0
+            !files.some(file => !file.encoding || file.encoding === 'utf8')
         ) {
             return reject({
                 message: 'files must include at least one utf8 encoded file',

From 52fb900603070f12c6c5b0bd7ab197aaecb897fa Mon Sep 17 00:00:00 2001
From: Brikaa <brikaaomar@gmail.com>
Date: Sat, 16 Oct 2021 11:55:22 +0200
Subject: [PATCH 4/4] Don't read the file twice

---
 cli/commands/execute.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cli/commands/execute.js b/cli/commands/execute.js
index 4929ccc..0d906bc 100644
--- a/cli/commands/execute.js
+++ b/cli/commands/execute.js
@@ -245,9 +245,9 @@ async function run_non_interactively(files, argv) {
 
 exports.handler = async argv => {
     const files = [...(argv.files || []), argv.file].map(file_path => {
+        const buffer = fs.readFileSync(file_path);
         const encoding =
-            (fs
-                .readFileSync(file_path)
+            (buffer
                 .toString()
                 .split('')
                 .some(x => x.charCodeAt(0) >= 128) &&
@@ -255,7 +255,7 @@ exports.handler = async argv => {
             'utf8';
         return {
             name: path.basename(file_path),
-            content: fs.readFileSync(file_path).toString(encoding),
+            content: buffer.toString(encoding),
             encoding,
         };
     });