Initial commit

Signed-off-by: Julien Riou <julien@riou.xyz>

src/server/config.go

@@ -0,0 +1,65 @@
+package server
+
+import (
+	"fmt"
+
+	"git.riou.xyz/jriou/coller/internal"
+)
+
+type Config struct {
+	Title              string `json:"title"`
+	DatabaseType       string `json:"database_type"`
+	DatabaseDsn        string `json:"database_dsn"`
+	IDLength           int    `json:"id_length"`
+	PasswordLength     int    `json:"password_length"`
+	ExpirationInterval int    `json:"expiration_interval"`
+	ListenAddress      string `json:"listen_address"`
+	ListenPort         int    `json:"listen_port"`
+	Expirations        []int  `json:"expirations"`
+	Expiration         int    `json:"expiration"`
+	MaxUploadSize      int64  `json:"max_upload_size"`
+	ShowVersion        bool   `json:"show_version"`
+}
+
+func NewConfig() *Config {
+	return &Config{
+		Title:              "Coller",
+		DatabaseType:       "sqlite",
+		DatabaseDsn:        "collerd.db",
+		IDLength:           5,
+		PasswordLength:     16,
+		ExpirationInterval: 60, // 1 minute
+		ListenAddress:      "127.0.0.1",
+		ListenPort:         8080,
+		Expirations: []int{
+			300,      // 5 minutes
+			3600,     // 1 hour
+			86400,    // 1 day
+			604800,   // 7 days
+			18144000, // 30 days
+		},
+		Expiration:    604800,   // 7 days
+		MaxUploadSize: 10485760, // 10MiB (encoded)
+		ShowVersion:   false,
+	}
+}
+
+func (c *Config) Check() error {
+	if len(c.Expirations) == 0 {
+		return fmt.Errorf("expirations are required")
+	}
+	for _, e := range c.Expirations {
+		if e <= 0 {
+			return fmt.Errorf("invalid expiration %d: must be greater than zero", e)
+		}
+	}
+
+	if c.IDLength <= 0 {
+		return fmt.Errorf("identifiers length must be greater than zero")
+	}
+
+	if c.PasswordLength < internal.MIN_PASSWORD_LENGTH || c.PasswordLength > internal.MAX_PASSWORD_LENGTH {
+		return fmt.Errorf("password length must be between %d and %d", internal.MIN_PASSWORD_LENGTH, internal.MAX_PASSWORD_LENGTH)
+	}
+	return nil
+}