在上一节我总结的是用okhttp如何忽略证书来访问https请求,但是访问是可以访问了,但是图片却加载不出来,道理很简单,okhttp我们使用ssl来信任的所有证书,但是glide使用的自己的网络请求来加载的图片,也就是说,想要用glide访问https图片,就必须替换掉glide原始加载图片的方法,使其同样做到信任所有证书。
既然我们已经写好了okhttp信任证书(传送门),不妨就用写好的来替换掉glide的请求方式,替换很简单,只要改一下glide源代码中的几个类就可以,如下创建三个类:
1、OkHttpGlideModule.class
import com.bumptech.glide.Glide;
import com.bumptech.glide.GlideBuilder;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.module.GlideModule;
import java.io.InputStream;
import okhttp3.OkHttpClient;
public class OkHttpGlideModule implements GlideModule {
@Override
public void applyOptions(Context context, GlideBuilder builder) {
}
@Override
public void registerComponents(Context context, Glide glide) {
OkHttpClient mHttpClient = new OkHttpClient().newBuilder()
.sslSocketFactory(SSLSocketClient.getSSLSocketFactory())
.hostnameVerifier(SSLSocketClient.getHostnameVerifier())
.build();
glide.register(GlideUrl.class, InputStream.class, new OkHttpUrlLoader.Factory(mHttpClient));
}
}
2、OkHttpStreamFetcher.class
import com.bumptech.glide.Priority;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.util.ContentLengthInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;
public class OkHttpStreamFetcher implements DataFetcher<InputStream> {
private final OkHttpClient client;
private final GlideUrl url;
private InputStream stream;
private ResponseBody responseBody;
public OkHttpStreamFetcher(OkHttpClient client, GlideUrl url) {
this.client = client;
this.url = url;
}
@Override
public InputStream loadData(Priority priority) throws Exception {
Request.Builder requestBuilder = new Request.Builder()
.url(url.toStringUrl());
for (Map.Entry<String, String> headerEntry : url.getHeaders().entrySet()) {
String key = headerEntry.getKey();
requestBuilder.addHeader(key, headerEntry.getValue());
}
Request request = requestBuilder.build();
Response response = client.newCall(request).execute();
responseBody = response.body();
if (!response.isSuccessful()) {
throw new IOException("Request failed with code: " + response.code());
}
long contentLength = responseBody.contentLength();
stream = ContentLengthInputStream.obtain(responseBody.byteStream(), contentLength);
return stream;
}
@Override
public void cleanup() {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
if (responseBody != null) {
responseBody.close();
}
}
@Override
public String getId() {
return url.getCacheKey();
}
@Override
public void cancel() {
}
}
import android.content.Context;
import com.bumptech.glide.load.data.DataFetcher;
import com.bumptech.glide.load.model.GenericLoaderFactory;
import com.bumptech.glide.load.model.GlideUrl;
import com.bumptech.glide.load.model.ModelLoader;
import com.bumptech.glide.load.model.ModelLoaderFactory;
import java.io.InputStream;
import okhttp3.OkHttpClient;
public class OkHttpUrlLoader implements ModelLoader<GlideUrl, InputStream> {
public static class Factory implements ModelLoaderFactory<GlideUrl, InputStream> {
private static volatile OkHttpClient internalClient;
private OkHttpClient client;
private static OkHttpClient getInternalClient() {
if (internalClient == null) {
synchronized (Factory.class) {
if (internalClient == null) {
internalClient = new OkHttpClient();
}
}
}
return internalClient;
}
public Factory() {
this(getInternalClient());
}
public Factory(OkHttpClient client) {
this.client = client;
}
@Override
public ModelLoader<GlideUrl, InputStream> build(Context context, GenericLoaderFactory factories) {
return new OkHttpUrlLoader(client);
}
@Override
public void teardown() {
}
}
private final OkHttpClient client;
public OkHttpUrlLoader(OkHttpClient client) {
this.client = client;
}
@Override
public DataFetcher<InputStream> getResourceFetcher(GlideUrl model, int width, int height) {
return new OkHttpStreamFetcher(client, model);
}
}
4、配置使用GlideModule
在AndroidManifest中application标签下声明使用GlideMoudle
注意:在OkHttpGlideModule中可以看到我们重新构建了一个okhttp并注册到了glide中:
SSLSocketClient类在上一篇文章中有说明(传送门),我们通过GlideMoudle这个类来修改了glide原始的网络请求,使用okhttp忽略的https证书。
上述的三个类,有兴趣的可以问度娘,glide的功能强大到我只能望而却步了!