update dockerfile and ci

.forgejo/workflows/ci.yml

@@ -1,8 +1,7 @@
 name: 'File-uploader-crystal CI'
 
 on:
-  # workflow_dispatch:
-  #   inputs: {}
+  workflow_dispatch:
   schedule:
     - cron: '0 7 * * 0'
   push:
@@ -28,14 +27,14 @@ jobs:
 
     - name: Docker meta
       id: meta
-      uses: https://github.com/docker/metadata-action@v5
+      uses: https://github.com/docker/metadata-action@v6
       with:
         images: git.nadeko.net/fijxu/file-uploader-crystal
         tags: |
           type=sha,format=short,prefix={{date 'YYYY.MM.DD'}}-,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
           type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
 
-    - uses: https://code.forgejo.org/docker/build-push-action@v5
+    - uses: https://code.forgejo.org/docker/build-push-action@v6
       name: Build images
       with:
         context: .
@@ -43,5 +42,5 @@ jobs:
         tags: ${{ steps.meta.outputs.tags }}
         platforms: linux/amd64
         push: true
-        build-args: |
-          "release=1"
+        cache-from: type=gha
+        cache-to: type=gha,mode=max

.gitignore

@@ -8,3 +8,4 @@ torexitnodes.txt
 files
 thumbnails
 db.sqlite3
+config/config.yml

Dockerfile

@@ -1,11 +1,10 @@
 # Based on https://github.com/iv-org/invidious/blob/master/docker/Dockerfile
-FROM crystallang/crystal:1.14.0-alpine AS builder
+FROM crystallang/crystal:1.16.1-alpine AS builder
 
 RUN apk add --no-cache sqlite-static yaml-static
 
-ARG release
-
 WORKDIR /file-uploader-crystal
+
 COPY ./shard.yml ./shard.yml
 COPY ./shard.lock ./shard.lock
 RUN shards install --production
@@ -15,21 +14,29 @@ COPY ./src/ ./src/
 # See definition of CURRENT_BRANCH, CURRENT_COMMIT and CURRENT_VERSION.
 COPY ./.git/ ./.git/
 
-RUN crystal build ./src/file-uploader-crystal.cr \
+RUN --mount=type=cache,target=/root/.cache/crystal \
+	crystal build ./src/file-uploader-crystal.cr \
 	--release \
 	--static --warnings all
 
-FROM alpine:3.20
+# 2nd stage
+FROM alpine:3.21
 RUN apk add --no-cache tini ffmpeg
+
 WORKDIR /file-uploader-crystal
+
 RUN addgroup -g 1000 -S file-uploader-crystal && \
 	adduser -u 1000 -S file-uploader-crystal -G file-uploader-crystal
-COPY --chown=file-uploader-crystal ./config/config.* ./config/
+
+COPY --chown=file-uploader-crystal ./config/config.example.yml ./config/
 RUN mv -n config/config.example.yml config/config.yml
-COPY --from=builder /file-uploader-crystal/file-uploader-crystal .
-RUN chmod o+rX -R ./config 
+COPY --from=builder /file-uploader-crystal/file-uploader-crystal /file-uploader-crystal
+RUN chmod o+rX -R /file-uploader-crystal/file-uploader-crystal
+RUN chown file-uploader-crystal: -R /file-uploader-crystal
 
 EXPOSE 8080
 USER file-uploader-crystal
+
 ENTRYPOINT ["/sbin/tini", "--"]
+
 CMD [ "/file-uploader-crystal/file-uploader-crystal" ]

config/config.example.yml

@@ -1,39 +1,37 @@
 colorize_logs: true
+log_level: "debug"
+
+# File paths
 files: "./files"
 thumbnails: "./thumbnails"
-generate_thumbnails: true
-db: "./db/db.sqlite3"
-adminEnabled: true
-adminApiKey: "asd"
-filename_length: 3
-# In MiB
-size_limit: 512
-port: 8080
+db: "./db.sqlite3"
+
+# Tor
 blockTorAddresses: true
-# Every hour
 torExitNodesCheck: 1600
 torExitNodesUrl: "https://check.torproject.org/exit-addresses"
-torExitNodesFile: "./torexitnodes.txt"
 torMessage: "TOR IS BLOCKED!"
-# Set this to 0 to disable rate limiting
+
+generate_thumbnails: true
+adminEnabled: true
+adminApiKey: "asd"
+size_limit: 512
+enable_checksums: false
+port: 8080
 filesPerIP: 2
 rateLimitPeriod: 20
 rateLimitMessage: ""
-# If you define the unix socket, it will only listen on the socket and not the port.
-#unix_socket: "/tmp/file-uploader.sock"
-# In days
+filename_length: 3
 deleteFilesAfter: 7
-# In seconds
-deleteFilesCheck: 1600
+deleteFilesCheck: 1800
 deleteKeyLength: 4
+
 siteInfo: "Whatever you want to put here"
 siteWarning: "WARNING!"
-log_level: "debug"
 
 blockedExtensions:
   - "exe"
 
-# List of useragents that use OpenGraph to gather file information
 opengraphUseragents:
   - "chatterino-api-cache/"
   - "FFZBot/"
@@ -41,6 +39,5 @@ opengraphUseragents:
   - "Synapse/"
   - "Mastodon/"
 
-# You can leave it empty, or add your own domains.
-alternative_domains:
-  - "example.com"
+# alternative_domains:
+#   - "example.com"

src/config.cr

@@ -26,7 +26,7 @@ class Config
   property adminEnabled : Bool = false
   # The API key for admin routes. It's passed as a "X-Api-Key" header to the
   # request
-  property adminApiKey : String? = ""
+  property adminApiKey : String? = nil
 
   # Not implemented
   property incrementalfilename_length : Bool = true
@@ -34,6 +34,7 @@ class Config
   property filename_length : Int32 = 3
   # In MiB
   property size_limit : Int16 = 512
+  property enable_checksums : Bool = true
 
   # A file path where do you want to place a unix socket (THIS WILL DISABLE ACCESS
   # BY IP ADDRESS)
@@ -41,7 +42,7 @@ class Config
 
   # True if you want this program to block IP addresses coming from the Tor
   # network
-  property blockTorAddresses : Bool? = false
+  property blockTorAddresses : Bool = false
   # How often (in seconds) should this program download the exit nodes list
   property torExitNodesCheck : Int32 = 3600
   # Only https://check.torproject.org/exit-addresses is supported
@@ -51,7 +52,8 @@ class Config
   # tries to upload a file using curl or any other tool
   property torMessage : String? = "Tor is blocked!"
 
-  # How many files an IP address can upload to the server
+  # How many files an IP address can upload to the server. Setting this to 0
+  # disables rate limits
   property filesPerIP : Int32 = 32
   # How often is the file limit per IP reset? (in seconds)
   property rateLimitPeriod : Int32 = 600
@@ -83,14 +85,6 @@ class Config
   # and in `/api/stats`
   property alternative_domains : Array(String) = [] of String
 
-  def self.load
-    config_file = "config/config.yml"
-    config_yaml = File.read(config_file)
-    config = Config.from_yaml(config_yaml)
-    check_config(config)
-    config
-  end
-
   def self.check_config(config : Config)
     if config.filename_length <= 0
       puts "Config: filename_length cannot be less or equal to 0"
@@ -104,4 +98,11 @@ class Config
       config.thumbnails = config.thumbnails.chomp('/')
     end
   end
+
+  def self.load(config_file : String = "config/config.yml")
+    config_yaml = File.read(config_file)
+    config = Config.from_yaml(config_yaml)
+    check_config(config)
+    config
+  end
 end

src/database/ip.cr

@@ -1,16 +1,55 @@
 module Database::IP
+  extend self
+
   # -------------------
   #  Insert / Delete
   # -------------------
 
-  def insert(ip : IP) : Nil
+  def insert(ip : UIP) : DB::ExecResult
     request = <<-SQL
       INSERT OR IGNORE
-      INTO ips (ip, date)
-      VALUES ($1, $2)
-      ON CONFLICT DO NOTHING
+      INTO ips
+      VALUES ($1, $2, $3)
     SQL
 
     SQL.exec(request, *ip.to_tuple)
   end
+
+  def delete(ip : String) : Nil
+    request = <<-SQL
+      DELETE
+      FROM ips
+      WHERE ip = ?
+    SQL
+
+    SQL.exec(request, ip)
+  end
+
+  # -------------------
+  #  Select
+  # -------------------
+
+  def select(ip : String) : UIP?
+    request = <<-SQL
+      SELECT *
+      FROM ips
+      WHERE ip = ?
+    SQL
+
+    SQL.query_one?(request, ip, as: UIP)
+  end
+
+  # -------------------
+  #  Update
+  # -------------------
+
+  def increase_count(ip : UIP) : Nil
+    request = <<-SQL
+      UPDATE ips
+      SET count = count + 1
+      WHERE ip = $1
+    SQL
+
+    SQL.exec(request, ip.ip)
+  end
 end

src/macros.cr

@@ -13,14 +13,14 @@ end
 
 module Headers
   macro host
-    env.request.headers["X-Forwarded-Host"]?
+    env.request.headers["X-Forwarded-Host"]? || env.request.headers["Host"]?
   end
 
   macro scheme
-    env.request.headers["X-Forwarded-Proto"]?
+    env.request.headers["X-Forwarded-Proto"]? || "http"
   end
 
   macro ip_addr
-    env.request.headers["X-Real-IP"]?
+    env.request.headers["X-Real-IP"]? || env.request.remote_address.as?(Socket::IPAddress).try &.address
   end
 end

src/routes/delete.cr

@@ -5,7 +5,7 @@ module Routes::Deletion
     key = env.params.query["key"]?
 
     if !key || key.empty?
-      ee 400, "No delete key suplied"
+      ee 400, "No delete key supplied"
     end
 
     file = Database::Files.select_with_key(key)

src/routes/retrieve.cr

@@ -4,7 +4,7 @@ module Routes::Retrieve
   def retrieve_file(env)
     host = env.request.headers["X-Forwarded-Host"]? || env.request.headers["Host"]?
     scheme = env.request.headers["X-Forwarded-Proto"]? || "http"
-    ip_addr = env.request.headers["X-Real-IP"]? || env.request.remote_address
+    ip_addr = env.request.headers["X-Real-IP"]? || env.request.remote_address.as?(Socket::IPAddress).try &.address
     filename = env.params.url["filename"].split(".").first
 
     begin
@@ -23,18 +23,16 @@ module Routes::Retrieve
     CONFIG.opengraphUseragents.each do |useragent|
       env.response.content_type = "text/html"
 
-      if env.request.headers.["User-Agent"]?.try &.includes?(useragent)
+      if env.request.headers["User-Agent"]?.try &.includes?(useragent)
         return %(
 <!DOCTYPE html>
 <html lang="en">
-<head>
+  <head>
     <meta charset="UTF-8">
     <meta property="og:title" content="#{file.filename}">
     <meta property="og:url" content="#{scheme}://#{host}/#{file.filename}">
-    #{if file.thumbnail
-        %(<meta property="og:image" content="#{scheme}://#{host}/thumbnail/#{file.filename}.jpg">)
-      end}
-</head>
+    #{%(<meta property="og:image" content="#{scheme}://#{host}/thumbnail/#{file.filename}.jpg">) if file.thumbnail}
+  </head>
 </html>
 )
       end
@@ -44,7 +42,6 @@ module Routes::Retrieve
 
   def retrieve_thumbnail(env)
     thumbnail = env.params.url["thumbnail"]?
-    pp "#{CONFIG.thumbnails}/#{thumbnail}"
 
     begin
       send_file env, "#{CONFIG.thumbnails}/#{thumbnail}"

src/routes/upload.cr

@@ -10,7 +10,7 @@ module Routes::Upload
     property id : String
     property ext : String
     property name : String
-    property checksum : String
+    property checksum : String?
     @[JSON::Field(key: "deleteKey")]
     property delete_key : String
     @[JSON::Field(key: "deleteLink")]
@@ -31,7 +31,7 @@ module Routes::Upload
   def upload(env)
     host = env.request.headers["X-Forwarded-Host"]? || env.request.headers["Host"]?
     scheme = env.request.headers["X-Forwarded-Proto"]? || "http"
-    ip_addr = env.request.headers["X-Real-IP"]? || env.request.remote_address
+    ip_addr = env.request.headers["X-Real-IP"]? || env.request.remote_address.as?(Socket::IPAddress).try &.address
     env.response.content_type = "application/json"
 
     # You can modify this if you want to allow files smaller than 1MiB.
@@ -46,6 +46,7 @@ module Routes::Upload
     end
 
     file = UFile.new
+    ip = UIP.new
 
     HTTP::FormData.parse(env.request) do |upload|
       upload_filename = upload.filename
@@ -70,16 +71,21 @@ module Routes::Upload
         IO.copy(upload.body, output)
       end
 
-      file.uploaded_at = Time.utc.to_unix.to_s
-      file.checksum = Utils::Hashing.hash_file(file_path)
+      file.uploaded_at = Time.utc.to_unix
+
+      if CONFIG.enable_checksums
+        file.checksum = Utils::Hashing.hash_file(file_path)
+      end
     end
 
+    file.ip = ip_addr.to_s
+    ip.ip = file.ip
+    ip.date = file.uploaded_at
+
     if CONFIG.deleteKeyLength > 0
       file.delete_key = Random.base58(CONFIG.deleteKeyLength)
     end
 
-    # X-Real-IP if behind a reverse proxy and the header is set in the reverse
-    # proxy configuration.
     begin
       spawn { Utils.generate_thumbnail(file.filename, file.extension) }
     rescue ex
@@ -88,10 +94,8 @@ module Routes::Upload
 
     begin
       Database::Files.insert(file)
-      # Database::IP.insert(ip_addr)
-      # SQL.exec "INSERT OR IGNORE INTO ips (ip, date) VALUES (?, ?)", ip_address, Time.utc.to_unix
-      # # SQL.exec "INSERT OR IGNORE INTO ips (ip) VALUES ('#{ip_address}')"
-      # SQL.exec "UPDATE ips SET count = count + 1 WHERE ip = ('#{ip_address}')"
+      exists = Database::IP.insert(ip).rows_affected == 0
+      Database::IP.increase_count(ip) if exists
     rescue ex
       LOGGER.error "An error ocurred when trying to insert the data into the DB: #{ex.message}"
       ee 500, "An error ocurred when trying to insert the data into the DB"
@@ -100,180 +104,4 @@ module Routes::Upload
     res = Response.new(file, scheme, host)
     res.to_json
   end
-
-  # The most unoptimized and unstable feature lol
-  # def upload_url_bulk(env)
-  #   env.response.content_type = "application/json"
-  #   ip_address = Utils.ip_address(env)
-  #   protocol = Utils.protocol(env)
-  #   host = Utils.host(env)
-  #   begin
-  #     files = env.params.json["files"].as((Array(JSON::Any)))
-  #   rescue ex : JSON::ParseException
-  #     LOGGER.error "Body malformed: #{ex.message}"
-  #     ee 400, "Body malformed: #{ex.message}"
-  #   rescue ex
-  #     LOGGER.error "Unknown error: #{ex.message}"
-  #     ee 500, "Unknown error"
-  #   end
-  #   successfull_files = [] of NamedTuple(filename: String, extension: String, original_filename: String, checksum: String, delete_key: String | Nil)
-  #   failed_files = [] of String
-  #   # X-Real-IP if behind a reverse proxy and the header is set in the reverse
-  #   # proxy configuration.
-  #   files.each do |url|
-  #     url = url.to_s
-  #     filename = Utils.generate_filename
-  #     original_filename = ""
-  #     extension = ""
-  #     checksum = ""
-  #     uploaded_at = Time.utc
-  #     extension = File.extname(URI.parse(url).path)
-  #     if CONFIG.deleteKeyLength > 0
-  #       delete_key = Random.base58(CONFIG.deleteKeyLength)
-  #     end
-  #     file_path = "#{CONFIG.files}/#{filename}#{extension}"
-  #     File.open(file_path, "w") do |output|
-  #       begin
-  #         HTTP::Client.get(url) do |res|
-  #           IO.copy(res.body_io, output)
-  #         end
-  #       rescue ex
-  #         LOGGER.debug "Failed to download file '#{url}': #{ex.message}"
-  #         ee 403, "Failed to download file '#{url}'"
-  #         failed_files << url
-  #       end
-  #     end
-  #     #   successfull_files << url
-  #     # end
-  #     if extension.empty?
-  #       extension = Utils.detect_extension(file_path)
-  #       File.rename(file_path, file_path + extension)
-  #       file_path = "#{CONFIG.files}/#{filename}#{extension}"
-  #     end
-  #     # The second one is faster and it uses less memory
-  #     # original_filename = URI.parse("https://ayaya.beauty/PqC").path.split("/").last
-  #     original_filename = url.split("/").last
-  #     checksum = Utils::Hashing.hash_file(file_path)
-  #     begin
-  #       spawn { Utils.generate_thumbnail(filename, extension) }
-  #     rescue ex
-  #       LOGGER.error "An error ocurred when trying to generate a thumbnail: #{ex.message}"
-  #     end
-  #     begin
-  #       # Insert SQL data just before returning the upload information
-  #       SQL.exec("INSERT INTO files VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
-  #         original_filename, filename, extension, uploaded_at, checksum, ip_address, delete_key, nil)
-  #       successfull_files << {filename:          filename,
-  #                             original_filename: original_filename,
-  #                             extension:         extension,
-  #                             delete_key:        delete_key,
-  #                             checksum:          checksum}
-  #     rescue ex
-  #       LOGGER.error "An error ocurred when trying to insert the data into the DB: #{ex.message}"
-  #       ee 500, "An error ocurred when trying to insert the data into the DB"
-  #     end
-  #   end
-  #   json = JSON.build do |j|
-  #     j.array do
-  #       successfull_files.each do |fileinfo|
-  #         j.object do
-  #           j.field "link", "#{protocol}://#{host}/#{fileinfo[:filename]}"
-  #           j.field "linkExt", "#{protocol}://#{host}/#{fileinfo[:filename]}#{fileinfo[:extension]}"
-  #           j.field "id", fileinfo[:filename]
-  #           j.field "ext", fileinfo[:extension]
-  #           j.field "name", fileinfo[:original_filename]
-  #           j.field "checksum", fileinfo[:checksum]
-  #           if CONFIG.deleteKeyLength > 0
-  #             delete_key = Random.base58(CONFIG.deleteKeyLength)
-  #             j.field "deleteKey", fileinfo[:delete_key]
-  #             j.field "deleteLink", "#{protocol}://#{host}/delete?key=#{fileinfo[:delete_key]}"
-  #           end
-  #         end
-  #       end
-  #     end
-  #   end
-  #   json
-  # end
-
-  # def upload_url(env)
-  #   env.response.content_type = "application/json"
-  #   ip_address = Utils.ip_address(env)
-  #   protocol = Utils.protocol(env)
-  #   host = Utils.host(env)
-  #   url = env.params.query["url"]
-  #   successfull_files = [] of NamedTuple(filename: String, extension: String, original_filename: String, checksum: String, delete_key: String | Nil)
-  #   failed_files = [] of String
-  #   # X-Real-IP if behind a reverse proxy and the header is set in the reverse
-  #   # proxy configuration.
-  #   filename = Utils.generate_filename
-  #   original_filename = ""
-  #   extension = ""
-  #   checksum = ""
-  #   uploaded_at = Time.utc
-  #   extension = File.extname(URI.parse(url).path)
-  #   if CONFIG.deleteKeyLength > 0
-  #     delete_key = Random.base58(CONFIG.deleteKeyLength)
-  #   end
-  #   file_path = "#{CONFIG.files}/#{filename}#{extension}"
-  #   File.open(file_path, "w") do |output|
-  #     begin
-  #       # TODO: Connect timeout to prevent possible Denial of Service to the external website spamming requests
-  #       # https://crystal-lang.org/api/1.13.2/HTTP/Client.html#connect_timeout
-  #       HTTP::Client.get(url) do |res|
-  #         IO.copy(res.body_io, output)
-  #       end
-  #     rescue ex
-  #       LOGGER.debug "Failed to download file '#{url}': #{ex.message}"
-  #       ee 403, "Failed to download file '#{url}': #{ex.message}"
-  #       failed_files << url
-  #     end
-  #   end
-  #   if extension.empty?
-  #     extension = Utils.detect_extension(file_path)
-  #     File.rename(file_path, file_path + extension)
-  #     file_path = "#{CONFIG.files}/#{filename}#{extension}"
-  #   end
-  #   # The second one is faster and it uses less memory
-  #   # original_filename = URI.parse("https://ayaya.beauty/PqC").path.split("/").last
-  #   original_filename = url.split("/").last
-  #   checksum = Utils::Hashing.hash_file(file_path)
-  #   begin
-  #     spawn { Utils.generate_thumbnail(filename, extension) }
-  #   rescue ex
-  #     LOGGER.error "An error ocurred when trying to generate a thumbnail: #{ex.message}"
-  #   end
-  #   begin
-  #     # Insert SQL data just before returning the upload information
-  #     SQL.exec("INSERT INTO files VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
-  #       original_filename, filename, extension, uploaded_at, checksum, ip_address, delete_key, nil)
-  #     successfull_files << {filename:          filename,
-  #                           original_filename: original_filename,
-  #                           extension:         extension,
-  #                           delete_key:        delete_key,
-  #                           checksum:          checksum}
-  #   rescue ex
-  #     LOGGER.error "An error ocurred when trying to insert the data into the DB: #{ex.message}"
-  #     ee 500, "An error ocurred when trying to insert the data into the DB"
-  #   end
-  #   json = JSON.build do |j|
-  #     j.array do
-  #       successfull_files.each do |fileinfo|
-  #         j.object do
-  #           j.field "link", "#{protocol}://#{host}/#{fileinfo[:filename]}"
-  #           j.field "linkExt", "#{protocol}://#{host}/#{fileinfo[:filename]}#{fileinfo[:extension]}"
-  #           j.field "id", fileinfo[:filename]
-  #           j.field "ext", fileinfo[:extension]
-  #           j.field "name", fileinfo[:original_filename]
-  #           j.field "checksum", fileinfo[:checksum]
-  #           if CONFIG.deleteKeyLength > 0
-  #             delete_key = Random.base58(CONFIG.deleteKeyLength)
-  #             j.field "deleteKey", fileinfo[:delete_key]
-  #             j.field "deleteLink", "#{protocol}://#{host}/delete?key=#{fileinfo[:delete_key]}"
-  #           end
-  #         end
-  #       end
-  #     end
-  #   end
-  #   json
-  # end
 end

src/routing.cr

@@ -41,24 +41,26 @@ module Routing
   end
 
   before_post "/upload" do |env|
-    begin
-      ip_info = SQL.query_one?("SELECT ip, count, date FROM ips WHERE ip = ?", Headers.ip_addr, as: {ip: String, count: Int32, date: Int32})
-    rescue ex
-      LOGGER.error "Error when trying to enforce rate limits for ip #{Headers.ip_addr}: #{ex.message}"
-      next
+    ip = Headers.ip_addr
+    if !ip
+      halt env, status_code: 401, response: "X-Real-IP header not present. Contact the admin to fix this!"
     end
 
+    ip_info = Database::IP.select(ip)
+
     if ip_info.nil?
       next
     end
 
-    time_since_first_upload = Time.utc.to_unix - ip_info[:date]
-    time_until_unban = ip_info[:date] - Time.utc.to_unix + CONFIG.rateLimitPeriod
-    if time_since_first_upload > CONFIG.rateLimitPeriod
-      SQL.exec "DELETE FROM ips WHERE ip = ?", ip_info[:ip]
-    end
     if CONFIG.filesPerIP > 0
-      if ip_info[:count] >= CONFIG.filesPerIP && time_since_first_upload < CONFIG.rateLimitPeriod
+      time_since_first_upload = Time.utc.to_unix - ip_info.date
+      time_until_unban = ip_info.date - Time.utc.to_unix + CONFIG.rateLimitPeriod
+
+      if time_since_first_upload > CONFIG.rateLimitPeriod
+        Database::IP.delete(ip_info.ip)
+      end
+
+      if ip_info.count >= CONFIG.filesPerIP && time_since_first_upload < CONFIG.rateLimitPeriod
         halt env, status_code: 401, response: "Rate limited! Try again in #{time_until_unban} seconds"
       end
     end
@@ -69,8 +71,6 @@ module Routing
     get "/info/chatterino", Routes::Views, :chatterino
 
     post "/upload", Routes::Upload, :upload
-    # get "/upload", Routes::Upload, :upload_url
-    # post "/api/uploadurl", Routes::Upload, :upload_url
 
     get "/:filename", Routes::Retrieve, :retrieve_file
     get "/thumbnail/:thumbnail", Routes::Retrieve, :retrieve_thumbnail

src/types/ip.cr

@@ -1,16 +1,16 @@
-struct IP
-  # Without this, this class will not be able to be used as `as: UFile` on
+struct UIP
+  # Without this, this class will not be able to be used as `as: IP` on
   # SQL queries
   include DB::Serializable
 
   property ip : String
   property count : Int32
-  property unix_date : Int32
+  property date : Int64
 
   def initialize(
-    @ip,
-    @count,
-    @unix_date,
+    @ip = "",
+    @count = 1,
+    @date = 0,
   )
   end
 

src/types/ufile.cr

@@ -3,21 +3,21 @@ struct UFile
   # SQL queries
   include DB::Serializable
 
-  property original_filename : String = ""
-  property filename : String = ""
-  property extension : String = ""
-  property uploaded_at : String = ""
-  property checksum : String = ""
-  property ip : String = ""
-  property delete_key : String = ""
+  property original_filename : String
+  property filename : String
+  property extension : String
+  property uploaded_at : Int64
+  property checksum : String?
+  property ip : String
+  property delete_key : String
   property thumbnail : String?
 
   def initialize(
     @original_filename = "",
     @filename = "",
     @extension = "",
-    @uploaded_at = "",
-    @checksum = "",
+    @uploaded_at = 0,
+    @checksum = nil,
     @ip = "",
     @delete_key = "",
     @thumbnail = nil,

src/utils/hashing.cr

@@ -5,7 +5,7 @@ module Utils::Hashing
     Digest::SHA1.hexdigest &.file(file_path)
   end
 
-  def hash_io(file_path : IO) : String
-    Digest::SHA1.hexdigest &.update(file_path)
+  def hash_io(file : IO) : String
+    Digest::SHA1.hexdigest &.update(file)
   end
 end

src/utils/utils.cr

@@ -2,14 +2,70 @@ module Utils
   extend self
 
   def create_db
-    if !SQL.query_one "SELECT EXISTS (SELECT 1 FROM sqlite_schema WHERE type='table' AND name='files')
-		AND EXISTS (SELECT 1 FROM sqlite_schema WHERE type='table' AND name='ips');", as: Bool
-      LOGGER.info "Creating sqlite3 database at '#{CONFIG.db}'"
+    files_table = <<-SQL
+      CREATE TABLE
+      IF NOT EXISTS files
+      (
+      original_filename text not null,
+      filename text not null,
+      extension text not null,
+      uploaded_at integer not null,
+      checksum text,
+      ip text not null,
+      delete_key text not null,
+      thumbnail text,
+      PRIMARY KEY(filename)
+      )
+    SQL
+
+    ip_table = <<-SQL
+      CREATE TABLE
+      IF NOT EXISTS ips
+      (
+      ip text,
+      count integer DEFAULT 0,
+      date integer,
+      PRIMARY KEY(ip)
+      )
+    SQL
+
+    files_table_check = <<-SQL
+      SELECT EXISTS
+      (
+      SELECT 1 FROM
+      sqlite_schema
+      WHERE type='table'
+      AND name='files'
+      )
+    SQL
+
+    ip_table_check = <<-SQL
+      SELECT EXISTS
+      (
+      SELECT 1 FROM
+      sqlite_schema
+      WHERE type='table'
+      AND name='ips'
+      )
+    SQL
+
+    files_table_exists = SQL.query_one(files_table_check, as: Bool)
+    ip_table_exists = SQL.query_one(ip_table_check, as: Bool)
+
+    if (!files_table_exists)
+      LOGGER.info "create_db: Creating table 'files'"
       begin
-        SQL.exec "CREATE TABLE IF NOT EXISTS files
-		(original_filename text, filename text, extension text, uploaded_at text, checksum text, ip text, delete_key text, thumbnail text)"
-        SQL.exec "CREATE TABLE IF NOT EXISTS ips
-		(ip text UNIQUE, count integer DEFAULT 0, date integer)"
+        SQL.exec(files_table)
+      rescue ex
+        LOGGER.fatal "#{ex.message}"
+        exit(1)
+      end
+    end
+
+    if (!ip_table_exists)
+      LOGGER.info "create_db: Creating table 'ips'"
+      begin
+        SQL.exec(ip_table)
       rescue ex
         LOGGER.fatal "#{ex.message}"
         exit(1)