Make auth module optional to conditionnaly load auth providers (#518)

* Make auth module optional to conditionnaly load auth providers

* Fixes

server/src/integrations/environment/decorators/cast-to-boolean.decorator.ts

@@ -0,0 +1,18 @@
+import { Transform } from 'class-transformer';
+
+export function CastToBoolean() {
+  return Transform(({ value }: { value: string }) => toBoolean(value));
+}
+
+const toBoolean = (value: any) => {
+  if (typeof value === 'boolean') {
+    return value;
+  }
+  if (['true', 'on', 'yes', '1'].includes(value.toLowerCase())) {
+    return true;
+  }
+  if (['false', 'off', 'no', '0'].includes(value.toLowerCase())) {
+    return false;
+  }
+  return undefined;
+};

server/src/integrations/environment/environment.validation.ts

@@ -13,6 +13,7 @@ import { IsDuration } from './decorators/is-duration.decorator';
 import { StorageType } from './interfaces/storage.interface';
 import { AwsRegion } from './interfaces/aws-region.interface';
 import { IsAWSRegion } from './decorators/is-aws-region.decorator';
+import { CastToBoolean } from './decorators/cast-to-boolean.decorator';
 
 export class EnvironmentVariables {
   // Database
@@ -39,7 +40,7 @@ export class EnvironmentVariables {
   @IsUrl({ require_tld: false })
   FRONT_AUTH_CALLBACK_URL: string;
 
-  @Transform(({ value }) => envValueToBoolean(value))
+  @CastToBoolean()
   @IsOptional()
   @IsBoolean()
   AUTH_GOOGLE_ENABLED?: boolean;
@@ -75,27 +76,10 @@ export class EnvironmentVariables {
 }
 
 export function validate(config: Record<string, unknown>) {
-  const validatedConfig = plainToClass(EnvironmentVariables, config, {
-    enableImplicitConversion: false,
-  });
+  const validatedConfig = plainToClass(EnvironmentVariables, config);
 
-  const errors = validateSync(validatedConfig, {
-    skipMissingProperties: false,
-  });
+  const errors = validateSync(validatedConfig);
   assert(!errors.length, errors.toString());
 
   return validatedConfig;
 }
-
-const envValueToBoolean = (value: any) => {
-  if (typeof value === 'boolean') {
-    return value;
-  }
-  if (['true', 'on', 'yes', '1'].includes(value.toLowerCase())) {
-    return true;
-  }
-  if (['false', 'off', 'no', '0'].includes(value.toLowerCase())) {
-    return false;
-  }
-  return undefined;
-};