JustEnoughSkins

Sign all skin textures by MineSkin API.

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JustEnoughSkins

JustEnoughSkins

JustEnoughSkins is a Velocity plugin that checks the player's skin `textures` property during the profile request stage. Textures with valid Mojang signatures are kept as is, while unsigned or invalid textures are re-signed through the MineSkin API and cached to avoid repeated requests.

Configuration File

On first startup, the plugin creates:

```text plugins/justenoughskins/config.toml ```

Default configuration example:

```toml

Enables debug logging.

false: recommended for normal use.

true: logs skin URLs, cache keys, signing time, and other details for troubleshooting.

Debug = false

MineSkin API endpoint.

By default, the plugin requests https://api.mineskin.org/v2/generate.

MineSkinApi = "https://api.mineskin.org"

MineSkin API key.

Register at https://account.mineskin.org/ to get one.

Empty value still works, but requests may hit stricter rate limits.

A valid key usually provides more stable quota and permissions.

Using Cape requires a key with the required permission.

ApiKey = ""

Maximum time to wait for signing during the profile request, in seconds.

3.0: wait up to 3 seconds, making the new skin more likely to apply on first login.

1.0: wait less and prioritize login speed; on timeout, the current request will not wait for the signing result.

<= 0: run the full signing flow synchronously with no background timeout. Slow or unavailable MineSkin service can noticeably delay login.

WaitingTime = 3.0

Cape parameter sent during skin generation.

Empty value: do not request a cape.

Non-empty value: send it as the cape field to MineSkin.

The MineSkin API key must support the requested cape capability, otherwise generation may fail.

Cape = ""

URL schemes allowed for original skin URLs that need re-signing.

By default, only https is allowed.

AllowedSchemes = ["https"]

URL domains allowed for original skin URLs that need re-signing.

The plugin downloads the skin and sends it to MineSkin only when both the scheme and domain are allowed.

Domains must match exactly, for example ["textures.minecraft.net"].

Empty list means no unsigned or invalid external skin URL will be re-signed.

AllowedDomains = [] ```

URL Allowlist

Textures with valid Mojang signatures are still accepted as is. The allowlist is checked only when a texture is unsigned or has an invalid signature and needs to be re-signed.

The original skin URL must satisfy both rules:

- Its scheme is listed in `AllowedSchemes`. - Its domain is listed in `AllowedDomains`.

URLs outside the allowlist are rejected. They are not downloaded and are not submitted to MineSkin.

Cache

The plugin calculates a cache key from the original skin URL and stores MineSkin's signed texture result under:

```text plugins/justenoughskins/cache/ ```

When the same skin URL appears again, the plugin uses the cache first to reduce MineSkin requests and login latency.

Reloading

After a Velocity proxy reload, the plugin reloads `config.toml`. Existing cache entries are not cleared automatically.

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