Add even more validators (#385)

* Add even more validators

I was gonna add shaderpacks too, but those have no standard metadata file at all.

* Make it compile

* Fix logic

* Update validators

* fix mistake

Co-authored-by: Geometrically <18202329+Geometrically@users.noreply.github.com>

src/validate/plugin.rs

@@ -4,9 +4,9 @@ use crate::validate::{
 use std::io::Cursor;
 use zip::ZipArchive;
 
-pub struct PluginValidator;
+pub struct BukkitValidator;
 
-impl super::Validator for PluginValidator {
+impl super::Validator for BukkitValidator {
     fn get_file_extensions(&self) -> &[&str] {
         &["zip", "jar"]
     }
@@ -36,3 +36,105 @@ impl super::Validator for PluginValidator {
         Ok(ValidationResult::Pass)
     }
 }
+
+pub struct BungeeCordValidator;
+
+impl super::Validator for BungeeCordValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["zip", "jar"]
+    }
+
+    fn get_project_types(&self) -> &[&str] {
+        &["mod"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["bungeecord", "waterfall"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        SupportedGameVersions::All
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        archive.by_name("bungee.yml").map_err(|_| {
+            ValidationError::InvalidInput(
+                "No bungee.yml present for plugin file.".into(),
+            )
+        })?;
+
+        Ok(ValidationResult::Pass)
+    }
+}
+
+pub struct VelocityValidator;
+
+impl super::Validator for VelocityValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["zip", "jar"]
+    }
+
+    fn get_project_types(&self) -> &[&str] {
+        &["mod"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["velocity"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        SupportedGameVersions::All
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        archive.by_name("velocity-plugin.json").map_err(|_| {
+            ValidationError::InvalidInput(
+                "No velocity-plugin.json present for plugin file.".into(),
+            )
+        })?;
+
+        Ok(ValidationResult::Pass)
+    }
+}
+
+pub struct SpongeValidator;
+
+impl super::Validator for SpongeValidator {
+    fn get_file_extensions(&self) -> &[&str] {
+        &["zip", "jar"]
+    }
+
+    fn get_project_types(&self) -> &[&str] {
+        &["mod"]
+    }
+
+    fn get_supported_loaders(&self) -> &[&str] {
+        &["sponge"]
+    }
+
+    fn get_supported_game_versions(&self) -> SupportedGameVersions {
+        SupportedGameVersions::All
+    }
+
+    fn validate(
+        &self,
+        archive: &mut ZipArchive<Cursor<bytes::Bytes>>,
+    ) -> Result<ValidationResult, ValidationError> {
+        if !archive
+            .file_names()
+            .any(|name| name == "sponge_plugins.json" || name == "mcmod.info")
+        {
+            return Ok(ValidationResult::Warning(
+                "No sponge_plugins.json or mcmod.info present for Sponge plugin.",
+            ));
+        };
+
+        Ok(ValidationResult::Pass)
+    }
+}