Examples with KeyValueWrapper com.acgist.snail.pojo.wrapper.KeyValueWrapper used on opensource projects

Example 1 with KeyValueWrapper

use of com.acgist.snail.pojo.wrapper.KeyValueWrapper in project snail by acgist.

the class M3u8Builder method buildCipher.

/**
 * <p>新建加密套件</p>
 *
 * @return 加密套件
 *
 * @throws NetException 网络异常
 */
private Cipher buildCipher() throws NetException {
    final var optional = this.labels.stream().filter(label -> LABEL_EXT_X_KEY.equalsIgnoreCase(label.getName())).findFirst();
    if (optional.isEmpty()) {
        // 没有加密标签：不用解密
        return null;
    }
    final KeyValueWrapper wrapper = optional.get().attrs();
    final String method = wrapper.getIgnoreCase(ATTR_METHOD);
    final M3u8.Protocol protocol = M3u8.Protocol.of(method);
    LOGGER.debug("HLS加密算法：{}", method);
    if (protocol == null || protocol == M3u8.Protocol.NONE) {
        throw new NetException("不支持的HLS加密算法：" + method);
    }
    if (protocol == M3u8.Protocol.AES_128) {
        return this.buildCipherAes128(wrapper.getIgnoreCase(ATTR_IV), wrapper.getIgnoreCase(ATTR_URI));
    } else {
        throw new NetException("不支持的HLS加密算法：" + method);
    }
}