diff --git a/src/database/models/project_item.rs b/src/database/models/project_item.rs
index c2920dc84..e30d345f2 100644
--- a/src/database/models/project_item.rs
+++ b/src/database/models/project_item.rs
@@ -561,25 +561,24 @@ impl Project {
     }
 
     pub async fn get_full_from_slug_or_project_id<'a, 'b, E>(
-        slug_or_project_id: String,
+        slug_or_project_id: &str,
         executor: E,
     ) -> Result<Option<QueryProject>, sqlx::error::Error>
     where
         E: sqlx::Executor<'a, Database = sqlx::Postgres> + Copy,
     {
-        let id_option =
-            crate::models::ids::base62_impl::parse_base62(&*slug_or_project_id.clone()).ok();
+        let id_option = crate::models::ids::base62_impl::parse_base62(slug_or_project_id).ok();
 
         if let Some(id) = id_option {
             let mut project = Project::get_full(ProjectId(id as i64), executor).await?;
 
             if project.is_none() {
-                project = Project::get_full_from_slug(&slug_or_project_id, executor).await?;
+                project = Project::get_full_from_slug(slug_or_project_id, executor).await?;
             }
 
             Ok(project)
         } else {
-            let project = Project::get_full_from_slug(&slug_or_project_id, executor).await?;
+            let project = Project::get_full_from_slug(slug_or_project_id, executor).await?;
             Ok(project)
         }
     }
diff --git a/src/routes/maven.rs b/src/routes/maven.rs
index e1605365c..ccc5aac3f 100644
--- a/src/routes/maven.rs
+++ b/src/routes/maven.rs
@@ -1,7 +1,8 @@
-use crate::database;
+use crate::database::models::version_item::{QueryFile, QueryVersion};
 use crate::models::projects::ProjectId;
 use crate::routes::ApiError;
 use crate::util::auth::get_user_from_headers;
+use crate::{database, util::auth::is_authorized};
 use actix_web::{get, web, HttpRequest, HttpResponse};
 use sqlx::PgPool;
 use yaserde_derive::YaSerialize;
@@ -51,15 +52,11 @@ pub struct MavenPom {
 #[get("maven/modrinth/{id}/maven-metadata.xml")]
 pub async fn maven_metadata(
     req: HttpRequest,
-    info: web::Path<(String,)>,
+    web::Path((project_id,)): web::Path<(String,)>,
     pool: web::Data<PgPool>,
 ) -> Result<HttpResponse, ApiError> {
-    let string = info.into_inner().0;
-
     let project_data =
-        database::models::Project::get_full_from_slug_or_project_id(string, &**pool).await?;
-
-    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
+        database::models::Project::get_full_from_slug_or_project_id(&project_id, &**pool).await?;
 
     let data = if let Some(data) = project_data {
         data
@@ -67,32 +64,12 @@ pub async fn maven_metadata(
         return Ok(HttpResponse::NotFound().body(""));
     };
 
-    let mut authorized = !data.status.is_hidden();
+    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
 
-    if let Some(user) = user_option {
-        if !authorized {
-            if user.role.is_mod() {
-                authorized = true;
-            } else {
-                let user_id: database::models::ids::UserId = user.id.into();
-
-                let project_exists = sqlx::query!(
-                    "SELECT EXISTS(SELECT 1 FROM team_members WHERE team_id = $1 AND user_id = $2)",
-                    data.inner.team_id as database::models::ids::TeamId,
-                    user_id as database::models::ids::UserId,
-                )
-                .fetch_one(&**pool)
-                .await?
-                .exists;
-
-                authorized = project_exists.unwrap_or(false);
-            }
-        }
-    }
-
-    if !authorized {
+    if !is_authorized(&data, &user_option, &pool).await? {
         return Ok(HttpResponse::NotFound().body(""));
     }
+
     let version_names = sqlx::query!(
         "
             SELECT version_number, version_type
@@ -137,22 +114,11 @@ pub async fn maven_metadata(
 #[get("maven/modrinth/{id}/{versionnum}/{file}")]
 pub async fn version_file(
     req: HttpRequest,
-    web::Path((string, vnum, file)): web::Path<(String, String, String)>,
+    web::Path((project_id, vnum, file)): web::Path<(String, String, String)>,
     pool: web::Data<PgPool>,
 ) -> Result<HttpResponse, ApiError> {
-    let id_option: Option<ProjectId> = serde_json::from_str(&*format!("\"{}\"", string)).ok();
-
-    let project_data = if let Some(id) = id_option {
-        match database::models::Project::get_full(id.into(), &**pool).await {
-            Ok(Some(data)) => Ok(Some(data)),
-            Ok(None) => database::models::Project::get_full_from_slug(&string, &**pool).await,
-            Err(e) => Err(e),
-        }
-    } else {
-        database::models::Project::get_full_from_slug(&string, &**pool).await
-    }?;
-
-    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
+    let project_data =
+        database::models::Project::get_full_from_slug_or_project_id(&project_id, &**pool).await?;
 
     let data = if let Some(data) = project_data {
         data
@@ -160,30 +126,9 @@ pub async fn version_file(
         return Ok(HttpResponse::NotFound().body(""));
     };
 
-    let mut authorized = !data.status.is_hidden();
+    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
 
-    if let Some(user) = user_option {
-        if !authorized {
-            if user.role.is_mod() {
-                authorized = true;
-            } else {
-                let user_id: database::models::ids::UserId = user.id.into();
-
-                let project_exists = sqlx::query!(
-                    "SELECT EXISTS(SELECT 1 FROM team_members WHERE team_id = $1 AND user_id = $2)",
-                    data.inner.team_id as database::models::ids::TeamId,
-                    user_id as database::models::ids::UserId,
-                )
-                .fetch_one(&**pool)
-                .await?
-                .exists;
-
-                authorized = project_exists.unwrap_or(false);
-            }
-        }
-    }
-
-    if !authorized {
+    if !is_authorized(&data, &user_option, &pool).await? {
         return Ok(HttpResponse::NotFound().body(""));
     }
 
@@ -209,7 +154,7 @@ pub async fn version_file(
         return Ok(HttpResponse::NotFound().body(""));
     };
 
-    if file == format!("{}-{}.pom", &string, &version.version_number) {
+    if file == format!("{}-{}.pom", &project_id, &version.version_number) {
         let respdata = MavenPom {
             schema_location:
                 "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
@@ -217,7 +162,7 @@ pub async fn version_file(
             xsi: "http://www.w3.org/2001/XMLSchema-instance".to_string(),
             model_version: "4.0.0".to_string(),
             group_id: "maven.modrinth".to_string(),
-            artifact_id: string,
+            artifact_id: project_id,
             version: version.version_number,
             name: data.inner.title,
             description: data.inner.description,
@@ -229,7 +174,7 @@ pub async fn version_file(
         return Ok(HttpResponse::TemporaryRedirect()
             .header("Location", &*selected_file.url)
             .body(""));
-    } else if file == format!("{}-{}.jar", &string, &version.version_number) {
+    } else if file == format!("{}-{}.jar", &project_id, &version.version_number) {
         if let Some(selected_file) = version.files.iter().find(|x| x.primary) {
             return Ok(HttpResponse::TemporaryRedirect()
                 .header("Location", &*selected_file.url)
@@ -243,3 +188,145 @@ pub async fn version_file(
 
     Ok(HttpResponse::NotFound().body(""))
 }
+
+#[get("maven/modrinth/{id}/{versionnum}/{file}.sha1")]
+pub async fn version_file_sha1(
+    req: HttpRequest,
+    web::Path((project_id, vnum, file)): web::Path<(String, String, String)>,
+    pool: web::Data<PgPool>,
+) -> Result<HttpResponse, ApiError> {
+    let project_data =
+        database::models::Project::get_full_from_slug_or_project_id(&project_id, &**pool).await?;
+
+    let data = if let Some(data) = project_data {
+        data
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
+
+    if !is_authorized(&data, &user_option, &pool).await? {
+        return Ok(HttpResponse::NotFound().body(""));
+    }
+
+    let vid = if let Some(vid) = sqlx::query!(
+        "SELECT id FROM versions WHERE mod_id = $1 AND version_number = $2",
+        data.inner.id as database::models::ids::ProjectId,
+        vnum
+    )
+    .fetch_optional(&**pool)
+    .await?
+    {
+        vid
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let version = if let Some(version) =
+        database::models::Version::get_full(database::models::ids::VersionId(vid.id), &**pool)
+            .await?
+    {
+        version
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let selected_file =
+        if let Some(selected_file) = version.files.iter().find(|x| x.filename == file) {
+            selected_file
+        } else if file == format!("{}-{}.jar", &project_id, &version.version_number) {
+            if let Some(selected_file) = version.files.iter().last() {
+                selected_file
+            } else {
+                return Ok(HttpResponse::NotFound().body(""));
+            }
+        } else {
+            return Ok(HttpResponse::NotFound().body(""));
+        };
+
+    let hash_bytes = if let Some(val) = selected_file.hashes.get("sha1") {
+        val
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let hash_text = if let Some(text) = std::str::from_utf8(hash_bytes).ok() {
+        text.to_string()
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    return Ok(HttpResponse::Ok().body(hash_text));
+}
+
+#[get("maven/modrinth/{id}/{versionnum}/{file}.sha512")]
+pub async fn version_file_sha512(
+    req: HttpRequest,
+    web::Path((project_id, vnum, file)): web::Path<(String, String, String)>,
+    pool: web::Data<PgPool>,
+) -> Result<HttpResponse, ApiError> {
+    let project_data =
+        database::models::Project::get_full_from_slug_or_project_id(&project_id, &**pool).await?;
+
+    let data = if let Some(data) = project_data {
+        data
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
+
+    if !is_authorized(&data, &user_option, &pool).await? {
+        return Ok(HttpResponse::NotFound().body(""));
+    }
+
+    let vid = if let Some(vid) = sqlx::query!(
+        "SELECT id FROM versions WHERE mod_id = $1 AND version_number = $2",
+        data.inner.id as database::models::ids::ProjectId,
+        vnum
+    )
+    .fetch_optional(&**pool)
+    .await?
+    {
+        vid
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let version = if let Some(version) =
+        database::models::Version::get_full(database::models::ids::VersionId(vid.id), &**pool)
+            .await?
+    {
+        version
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let selected_file =
+        if let Some(selected_file) = version.files.iter().find(|x| x.filename == file) {
+            selected_file
+        } else if file == format!("{}-{}.jar", &project_id, &version.version_number) {
+            if let Some(selected_file) = version.files.iter().last() {
+                selected_file
+            } else {
+                return Ok(HttpResponse::NotFound().body(""));
+            }
+        } else {
+            return Ok(HttpResponse::NotFound().body(""));
+        };
+
+    let hash_bytes = if let Some(val) = selected_file.hashes.get("sha512") {
+        val
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    let hash_text = if let Some(text) = std::str::from_utf8(hash_bytes).ok() {
+        text.to_string()
+    } else {
+        return Ok(HttpResponse::NotFound().body(""));
+    };
+
+    return Ok(HttpResponse::Ok().body(hash_text));
+}
diff --git a/src/routes/mod.rs b/src/routes/mod.rs
index 8a198355d..e40644733 100644
--- a/src/routes/mod.rs
+++ b/src/routes/mod.rs
@@ -70,6 +70,8 @@ pub fn projects_config(cfg: &mut web::ServiceConfig) {
 
 pub fn maven_config(cfg: &mut web::ServiceConfig) {
     cfg.service(maven::maven_metadata);
+    cfg.service(maven::version_file_sha512);
+    cfg.service(maven::version_file_sha1);
     cfg.service(maven::version_file);
 }
 
diff --git a/src/routes/projects.rs b/src/routes/projects.rs
index 245a51d9e..b99dc2d14 100644
--- a/src/routes/projects.rs
+++ b/src/routes/projects.rs
@@ -71,8 +71,7 @@ pub async fn project_get(
     let string = info.into_inner().0;
 
     let project_data =
-        database::models::Project::get_full_from_slug_or_project_id(string.clone(), &**pool)
-            .await?;
+        database::models::Project::get_full_from_slug_or_project_id(&string, &**pool).await?;
 
     let user_option = get_user_from_headers(req.headers(), &**pool).await.ok();
 
@@ -251,8 +250,7 @@ pub async fn project_edit(
 
     let string = info.into_inner().0;
     let result =
-        database::models::Project::get_full_from_slug_or_project_id(string.clone(), &**pool)
-            .await?;
+        database::models::Project::get_full_from_slug_or_project_id(&string, &**pool).await?;
 
     if let Some(project_item) = result {
         let id = project_item.inner.id;