move to monorepo dir

apps/labrinth/src/validate/forge.rs

@@ -0,0 +1,77 @@
+use crate::validate::{filter_out_packs, SupportedGameVersions, ValidationError, ValidationResult};
+use chrono::DateTime;
+use std::io::Cursor;
+use zip::ZipArchive;
+
+pub struct ForgeValidator;
+
+impl super::Validator for ForgeValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["jar", "zip"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["forge"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        // Time since release of 1.13, the first forge version which uses the new TOML system
+        SupportedGameVersions::PastDate(DateTime::from_timestamp(1540122067, 0).unwrap())
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        if archive.by_name("META-INF/mods.toml").is_err()
+            && archive.by_name("META-INF/MANIFEST.MF").is_err()
+            && !archive.file_names().any(|x| x.ends_with(".class"))
+        {
+            return Ok(ValidationResult::Warning(
+                "No mods.toml or valid class files present for Forge file.",
+            ));
+        }
+
+        filter_out_packs(archive)?;
+
+        Ok(ValidationResult::Pass)
+    }
+}
+
+pub struct LegacyForgeValidator;
+
+impl super::Validator for LegacyForgeValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["jar", "zip"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["forge"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        // Times between versions 1.5.2 to 1.12.2, which all use the legacy way of defining mods
+        SupportedGameVersions::Range(
+            DateTime::from_timestamp(0, 0).unwrap(),
+            DateTime::from_timestamp(1540122066, 0).unwrap(),
+        )
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        if archive.by_name("mcmod.info").is_err()
+            && archive.by_name("META-INF/MANIFEST.MF").is_err()
+            && !archive.file_names().any(|x| x.ends_with(".class"))
+        {
+            return Ok(ValidationResult::Warning(
+                "Forge mod file does not contain mcmod.info or valid class files!",
+            ));
+        };
+
+        filter_out_packs(archive)?;
+
+        Ok(ValidationResult::Pass)
+    }
+}