ssl - IO : Protocol 'https' unsupported

Question

我正在尝试通过 HTTPS 在 Io language 中获取文件:

url := URL with("https://api.example.com")
url fetch println

我明白了:

 Error_0x7f97e1509a80:
  location         = "/opt/local/lib/io/addons/Socket/io/URL.io:232"
  message          = "Protocol 'https' unsupported"

我试图在网上找到一些东西，但是，众所周知，这并不容易，因为名字。我只找到这个线程 http://tech.groups.yahoo.com/group/iolanguage/message/10898但那已经很老了。

如何在 Io 中获得 HTTPS 支持？

编辑

我发现在 Io 的源代码中有一个 SecureSocket 插件，一个 OpenSSL 的包装器。不过，当我在装有 Mountain Lion 的 MacBook 上执行 sudo port io install 时，它并没有安装。我尝试从源代码构建它，但没有运气。它也不是在 Linux 机器上为我构建的。

EDIT2

我只是尝试再次从源代码 (git clone https://github.com/stevedekorte/io.git) 构建 Io(使用包含的脚本 build.sh) 事实证明 cmake 确实检测到了 OpenSSL:

 -- Found OpenSSL: /usr/lib/libssl.dylib;/usr/lib/libcrypto.dylib  

但是没有构建 SecureSocket 插件。它的自述文件:https://github.com/stevedekorte/io/tree/master/addons/SecureSocket说:

The DTLS1 bindings are not usable unless the patches in this file are applied to OpenSSL 0.9.8e. However, this patch includes a deactivation of the handshake retransmission code in d1_both.c, making it unsuitable for production environments. I take no responsibility, etc, etc. If you want to use it anyway, apply the patches(gathered from various newsgroups and my own experimentation) and uncomment the commented-out block of build.io. For what it's worth, DTLS support in OpenSSL is new as of 0.9.8 and is pretty buggy to begin with. It's a nice idea, but it doesn't seem to be production ready at all yet. These bindings are no exception.

Answer 1

如果您不能让 io 执行此操作，您最好的选择是调用外部工具，例如 wget 或 curl，然后在本地加载文件/结果或通过管道返回。