1 files changed, 92 insertions, 0 deletions

diff --git a/model/config.go b/model/config.go
index 853e2bbc0..5d822e263 100644
--- a/model/config.go
+++ b/model/config.go
@@ -16,6 +16,9 @@ const (
 	IMAGE_DRIVER_LOCAL = "local"
 	IMAGE_DRIVER_S3    = "amazons3"
 
+	DATABASE_DRIVER_MYSQL    = "mysql"
+	DATABASE_DRIVER_POSTGRES = "postgres"
+
 	SERVICE_GITLAB = "gitlab"
 )
 
@@ -156,3 +159,92 @@ func ConfigFromJson(data io.Reader) *Config {
 		return nil
 	}
 }
+
+func (o *Config) IsValid() *AppError {
+
+	if o.ServiceSettings.MaximumLoginAttempts <= 0 {
+		return NewAppError("Config.IsValid", "Invalid maximum login attempts for service settings.  Must be a positive number.", "")
+	}
+
+	if len(o.ServiceSettings.ListenAddress) == 0 {
+		return NewAppError("Config.IsValid", "Invalid listen address for service settings Must be set.", "")
+	}
+
+	if o.TeamSettings.MaxUsersPerTeam <= 0 {
+		return NewAppError("Config.IsValid", "Invalid maximum users per team for team settings.  Must be a positive number.", "")
+	}
+
+	if len(o.SqlSettings.AtRestEncryptKey) != 32 {
+		return NewAppError("Config.IsValid", "Invalid at rest encrypt key for SQL settings.  Must be 32 chars.", "")
+	}
+
+	if !(o.SqlSettings.DriverName == DATABASE_DRIVER_MYSQL || o.SqlSettings.DriverName == DATABASE_DRIVER_POSTGRES) {
+		return NewAppError("Config.IsValid", "Invalid driver name for SQL settings.  Must be 'mysql' or 'postgres'", "")
+	}
+
+	if o.SqlSettings.MaxIdleConns <= 0 {
+		return NewAppError("Config.IsValid", "Invalid maximum idle connection for SQL settings.  Must be a positive number.", "")
+	}
+
+	if len(o.SqlSettings.DataSource) == 0 {
+		return NewAppError("Config.IsValid", "Invalid data source for SQL settings.  Must be set.", "")
+	}
+
+	if o.SqlSettings.MaxOpenConns <= 0 {
+		return NewAppError("Config.IsValid", "Invalid maximum open connection for SQL settings.  Must be a positive number.", "")
+	}
+
+	if !(o.FileSettings.DriverName == IMAGE_DRIVER_LOCAL || o.FileSettings.DriverName == IMAGE_DRIVER_S3) {
+		return NewAppError("Config.IsValid", "Invalid driver name for file settings.  Must be 'local' or 'amazons3'", "")
+	}
+
+	if o.FileSettings.PreviewHeight < 0 {
+		return NewAppError("Config.IsValid", "Invalid preview height for file settings.  Must be a zero or positive number.", "")
+	}
+
+	if o.FileSettings.PreviewWidth <= 0 {
+		return NewAppError("Config.IsValid", "Invalid preview width for file settings.  Must be a positive number.", "")
+	}
+
+	if o.FileSettings.ProfileHeight <= 0 {
+		return NewAppError("Config.IsValid", "Invalid profile height for file settings.  Must be a positive number.", "")
+	}
+
+	if o.FileSettings.ProfileWidth <= 0 {
+		return NewAppError("Config.IsValid", "Invalid profile width for file settings.  Must be a positive number.", "")
+	}
+
+	if o.FileSettings.ThumbnailHeight <= 0 {
+		return NewAppError("Config.IsValid", "Invalid thumbnail height for file settings.  Must be a positive number.", "")
+	}
+
+	if o.FileSettings.ThumbnailHeight <= 0 {
+		return NewAppError("Config.IsValid", "Invalid thumbnail width for file settings.  Must be a positive number.", "")
+	}
+
+	if len(o.FileSettings.PublicLinkSalt) != 32 {
+		return NewAppError("Config.IsValid", "Invalid public link salt for file settings.  Must be 32 chars.", "")
+	}
+
+	if !(o.EmailSettings.ConnectionSecurity == CONN_SECURITY_NONE || o.EmailSettings.ConnectionSecurity == CONN_SECURITY_TLS || o.EmailSettings.ConnectionSecurity == CONN_SECURITY_STARTTLS) {
+		return NewAppError("Config.IsValid", "Invalid connection security for email settings.  Must be '', 'TLS', or 'STARTTLS'", "")
+	}
+
+	if len(o.EmailSettings.InviteSalt) != 32 {
+		return NewAppError("Config.IsValid", "Invalid invite salt for email settings.  Must be 32 chars.", "")
+	}
+
+	if len(o.EmailSettings.PasswordResetSalt) != 32 {
+		return NewAppError("Config.IsValid", "Invalid password reset salt for email settings.  Must be 32 chars.", "")
+	}
+
+	if o.RateLimitSettings.MemoryStoreSize <= 0 {
+		return NewAppError("Config.IsValid", "Invalid memory store size for rate limit settings.  Must be a positive number", "")
+	}
+
+	if o.RateLimitSettings.PerSec <= 0 {
+		return NewAppError("Config.IsValid", "Invalid per sec for rate limit settings.  Must be a positive number", "")
+	}
+
+	return nil
+}