0.1.0

.gitignore

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+/docs/
+/lib/
+/bin/
+/.shards/
+*.dwarf

shard.lock

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+version: 2.0
+shards:
+  backtracer:
+    git: https://github.com/sija/backtracer.cr.git
+    version: 1.2.2
+
+  db:
+    git: https://github.com/crystal-lang/crystal-db.git
+    version: 0.13.1
+
+  exception_page:
+    git: https://github.com/crystal-loot/exception_page.git
+    version: 0.4.1
+
+  kemal:
+    git: https://github.com/kemalcr/kemal.git
+    version: 1.5.0
+
+  radix:
+    git: https://github.com/luislavena/radix.git
+    version: 0.4.1
+
+  sqlite3:
+    git: https://github.com/crystal-lang/crystal-sqlite3.git
+    version: 0.21.0
+

shard.yml

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+name: file-uploader
+version: 0.1.0
+
+authors:
+  - Fijxu <fijxu@nadeko.net>
+
+targets:
+  file-uploader:
+    main: src/file-uploader.cr
+
+dependencies:
+  kemal:
+    github: kemalcr/kemal
+  sqlite3:
+    github: crystal-lang/crystal-sqlite3
+
+crystal: '>= 1.12.2'
+
+license: MIT

src/file-uploader.cr

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+require "http"
+require "kemal"
+require "yaml"
+require "mime"
+
+# macro error(message)
+#     env.response.content_type = "application/json"
+#     env.response.status_code = 403
+#     error_message = {"error" => {{message}}}.to_json
+# 	error_message
+#   end
+
+class Config
+  include YAML::Serializable
+
+  property files : String = "./files"
+  property filename_lenght : Int8 = 3
+
+  def self.load
+    config_file = "config/config.yml"
+    config_yaml = File.read(config_file)
+    config = Config.from_yaml(config_yaml)
+    config
+  end
+end
+
+CONFIG = Config.load
+
+if !Dir.exists?("#{CONFIG.files}")
+  begin
+    Dir.mkdir("#{CONFIG.files}")
+  rescue ex
+    puts ex.message
+    exit
+  end
+end
+
+def random_string : String
+  retardation = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
+  res = IO::Memory.new
+  CONFIG.filename_lenght.times do
+    "".rjust(res, 1, retardation[Random.rand(62)])
+  end
+  res.to_s
+end
+
+# TODO: Error checking later
+post "/upload" do |env|
+  filename = ""
+  extension = ""
+  HTTP::FormData.parse(env.request) do |upload|
+    # if upload.filename.nil?
+    #   error("No file provided")
+    # end
+    extension = File.extname("#{upload.filename}")
+    filename = random_string()
+    # filename = "#{Base64.urlsafe_encode("#{Random.rand(9999 % 1000)}", padding = false)}.#{upload.filename.to_s[extension + 1..]}"
+    # Be sure to check if file.filename is not empty otherwise it'll raise a compile time error
+    if !filename.is_a?(String)
+      "This doesn't look like a file"
+    else
+      file_path = ::File.join ["#{CONFIG.files}", filename + extension]
+      File.open(file_path, "w") do |file|
+        IO.copy(upload.body, file)
+      end
+    end
+  end
+  env.response.content_type = "application/json"
+  JSON.build do |j|
+    j.object do
+      j.field "link", "#{env.request.headers["Host"]}/#{filename + extension}"
+    end
+  end
+end
+
+get "/:filename" do |env|
+  begin
+    if !File.extname(env.params.url["filename"]).empty?
+      send_file env, "#{CONFIG.files}/#{env.params.url["filename"]}"
+	  next
+    end
+    dir = Dir.new("#{CONFIG.files}")
+    dir.each do |filename|
+      if filename.starts_with?("#{env.params.url["filename"]}")
+        send_file env, "#{CONFIG.files}/#{env.params.url["filename"]}" + File.extname(filename)
+      end
+    end
+	raise "Fuck"
+  rescue
+    env.response.content_type = "text/plain"
+    env.response.status_code = 403
+    "File does not exist"
+  end
+end
+
+Kemal.run