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47 changes: 47 additions & 0 deletions
47
cli/src/main/java/com/devonfw/tools/ide/network/ProxyConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| package com.devonfw.tools.ide.network; | ||
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| import com.devonfw.tools.ide.context.IdeContext; | ||
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| import java.net.MalformedURLException; | ||
| import java.net.URL; | ||
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| /** | ||
| * Class responsible for parsing and storing the host and port information from a given proxy URL. | ||
| */ | ||
| public class ProxyConfig { | ||
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| private final IdeContext context; | ||
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| private String host; | ||
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| private int port; | ||
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| ProxyConfig(String proxyUrl, IdeContext context) { | ||
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| this.context = context; | ||
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| try { | ||
| URL url = new URL(proxyUrl); | ||
| host = url.getHost(); | ||
| port = url.getPort(); | ||
| } catch (MalformedURLException e) { | ||
| this.context.warning(ProxyContext.PROXY_FORMAT_WARNING_MESSAGE); | ||
| } | ||
| } | ||
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| /** | ||
| * @return a {@link String} representing the host of the proxy | ||
| */ | ||
| public String getHost() { | ||
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| return host; | ||
| } | ||
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| /** | ||
| * @return an {@code int} representing the port of the proxy | ||
| */ | ||
| public int getPort() { | ||
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| return port; | ||
| } | ||
| } |
96 changes: 96 additions & 0 deletions
96
cli/src/main/java/com/devonfw/tools/ide/network/ProxyContext.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package com.devonfw.tools.ide.network; | ||
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| import com.devonfw.tools.ide.context.IdeContext; | ||
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| import java.net.InetSocketAddress; | ||
| import java.net.Proxy; | ||
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| /** | ||
| * Class for handling system proxy settings. This class is responsible for detecting and managing the proxy configurations for HTTP and HTTPS protocols based on | ||
| * the system's environment variables. | ||
| */ | ||
| public class ProxyContext { | ||
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| private final IdeContext context; | ||
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| private static final String HTTP_PROXY = "http_proxy"; | ||
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| private static final String HTTPS_PROXY = "https_proxy"; | ||
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| private static final String PROXY_DOCUMENTATION_PAGE = "https://github.com/devonfw/IDEasy/blob/main/documentation/proxy-support.adoc"; | ||
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| static final String PROXY_FORMAT_WARNING_MESSAGE = | ||
| "Proxy configuration detected, but the formatting appears to be incorrect. Proxy configuration will be skipped.\n" | ||
| + "Please note that IDEasy can detect a proxy only if the corresponding environmental variables are properly formatted. " | ||
| + "For further details, see " + PROXY_DOCUMENTATION_PAGE; | ||
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| final private ProxyConfig httpProxyConfig; | ||
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| final private ProxyConfig httpsProxyConfig; | ||
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| /** | ||
| * Class to detect system proxy configurations | ||
| * | ||
| * @param context the {@link IdeContext} | ||
| */ | ||
| public ProxyContext(IdeContext context) { | ||
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| this.context = context; | ||
| this.httpProxyConfig = initializeProxyConfig(HTTP_PROXY); | ||
| this.httpsProxyConfig = initializeProxyConfig(HTTPS_PROXY); | ||
| } | ||
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| private ProxyConfig initializeProxyConfig(String proxyEnvVariable) { | ||
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| String proxyUrl = System.getenv(proxyEnvVariable); | ||
| if (proxyUrl == null) { | ||
| proxyUrl = System.getenv(proxyEnvVariable.toUpperCase()); | ||
| } | ||
| return (proxyUrl != null && !proxyUrl.isEmpty()) ? new ProxyConfig(proxyUrl, context) : null; | ||
| } | ||
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| /** | ||
| * Retrieves the system proxy for a given URL. | ||
| * | ||
| * @param url The URL of the request for which to detect a proxy. This is used to determine the corresponding proxy based on the protocol. | ||
| * @return A {@link Proxy} object representing the system proxy for the given URL, or {@link Proxy#NO_PROXY} if no valid proxy is found or if the proxy | ||
| * configuration is invalid. | ||
| */ | ||
| public Proxy getProxy(String url) { | ||
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| ProxyConfig proxyConfig = getProxyConfig(url); | ||
| if (proxyConfig != null) { | ||
| String proxyHost = proxyConfig.getHost(); | ||
| int proxyPort = proxyConfig.getPort(); | ||
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| if (proxyHost != null && !proxyHost.isEmpty() && proxyPort > 0 && proxyPort <= 65535) { | ||
| InetSocketAddress proxyAddress = new InetSocketAddress(proxyHost, proxyPort); | ||
| if (proxyAddress.isUnresolved()) { | ||
| this.context.warning(ProxyContext.PROXY_FORMAT_WARNING_MESSAGE); | ||
| return Proxy.NO_PROXY; | ||
| } | ||
| return new Proxy(Proxy.Type.HTTP, proxyAddress); | ||
| } | ||
| } | ||
| return Proxy.NO_PROXY; | ||
| } | ||
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| /** | ||
| * Retrieves the appropriate {@link ProxyConfig} object based on the given request URL. | ||
| * | ||
| * @param url a {@link String} representing the URL for which the related proxy is to be determined | ||
| * @return a {@link ProxyConfig} object with the correct settings, or {@code null} if the URL is malformed | ||
| */ | ||
| public ProxyConfig getProxyConfig(String url) { | ||
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| if (url.startsWith("http://")) { | ||
| return httpProxyConfig; | ||
| } else if (url.startsWith("https://")) { | ||
| return httpsProxyConfig; | ||
| } else { | ||
| this.context.warning("Download URL wrongly formatted: " + url); | ||
| return null; | ||
| } | ||
| } | ||
| } | ||
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