import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
+import java.io.OutputStreamWriter;
import java.net.CookieHandler;
import java.net.CookieManager;
import java.net.CookiePolicy;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
-import java.nio.file.FileAlreadyExistsException;
+import java.net.URLEncoder;
import java.util.Date;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import be.nikiroo.fanfix.supported.BasicSupport;
import be.nikiroo.utils.IOUtils;
import be.nikiroo.utils.MarkableFileInputStream;
-import be.nikiroo.utils.StringUtils;
/**
* This cache will manage Internet (and local) downloads, as well as put the
CookieHandler.setDefault(cookies);
}
+ /**
+ * Clear all the cookies currently in the jar.
+ */
+ public void clearCookies() {
+ cookies.getCookieStore().removeAll();
+ }
+
/**
* Open a resource (will load it from the cache if possible, or save it into
* the cache after downloading if not).
* @param stable
* TRUE for more stable resources, FALSE when they often change
*
- * @return the opened resource
+ * @return the opened resource, NOT NULL
*
* @throws IOException
* in case of I/O error
*/
public InputStream open(URL url, BasicSupport support, boolean stable)
throws IOException {
+ // MUST NOT return null
return open(url, support, stable, url);
}
* @param originalUrl
* the original {@link URL} used to locate the cached resource
*
- * @return the opened resource
+ * @return the opened resource, NOT NULL
*
* @throws IOException
* in case of I/O error
*/
public InputStream open(URL url, BasicSupport support, boolean stable,
URL originalUrl) throws IOException {
+ // MUST NOT return null
try {
InputStream in = load(originalUrl, false, stable);
if (in == null) {
+ (url == null ? "null" : url.toString()), e);
}
+ // Was just saved, can load old, so, will not be null
in = load(originalUrl, true, stable);
}
}
}
+ /**
+ * Open the given {@link URL} without using the cache, but still using and
+ * updating the cookies.
+ *
+ * @param url
+ * the {@link URL} to open
+ * @param support
+ * the {@link BasicSupport} used for the cookies
+ *
+ * @return the {@link InputStream} of the opened page
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ public InputStream openNoCache(URL url, BasicSupport support)
+ throws IOException {
+ return openNoCache(url, support, url, null);
+ }
+
+ /**
+ * Open the given {@link URL} without using the cache, but still using and
+ * updating the cookies.
+ *
+ * @param url
+ * the {@link URL} to open
+ * @param support
+ * the {@link BasicSupport} used for the cookies
+ * @param postParams
+ * the POST parameters
+ *
+ * @return the {@link InputStream} of the opened page
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ public InputStream openNoCache(URL url, BasicSupport support,
+ Map<String, String> postParams) throws IOException {
+ return openNoCache(url, support, url, postParams);
+ }
+
+ /**
+ * Open the given {@link URL} without using the cache, but still using and
+ * updating the cookies.
+ *
+ * @param url
+ * the {@link URL} to open
+ * @param support
+ * the {@link BasicSupport} used for the cookies
+ * @param originalUrl
+ * the original {@link URL} before any redirection occurs
+ * @param postParams
+ * the POST parameters
+ *
+ * @return the {@link InputStream} of the opened page
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ private InputStream openNoCache(URL url, BasicSupport support,
+ final URL originalUrl, Map<String, String> postParams)
+ throws IOException {
+
+ URLConnection conn = openConnectionWithCookies(url, support);
+ if (postParams != null && conn instanceof HttpURLConnection) {
+ StringBuilder postData = new StringBuilder();
+ for (Map.Entry<String, String> param : postParams.entrySet()) {
+ if (postData.length() != 0)
+ postData.append('&');
+ postData.append(URLEncoder.encode(param.getKey(), "UTF-8"));
+ postData.append('=');
+ postData.append(URLEncoder.encode(
+ String.valueOf(param.getValue()), "UTF-8"));
+ }
+
+ conn.setDoOutput(true);
+ ((HttpURLConnection) conn).setRequestMethod("POST");
+ conn.setRequestProperty("Content-Type",
+ "application/x-www-form-urlencoded");
+ conn.setRequestProperty("charset", "utf-8");
+
+ OutputStreamWriter writer = new OutputStreamWriter(
+ conn.getOutputStream());
+
+ writer.write(postData.toString());
+ writer.flush();
+ writer.close();
+ }
+
+ conn.connect();
+
+ // Check if redirect
+ if (conn instanceof HttpURLConnection
+ && ((HttpURLConnection) conn).getResponseCode() / 100 == 3) {
+ String newUrl = conn.getHeaderField("Location");
+ return openNoCache(new URL(newUrl), support, originalUrl,
+ postParams);
+ }
+
+ InputStream in = conn.getInputStream();
+ if ("gzip".equals(conn.getContentEncoding())) {
+ in = new GZIPInputStream(in);
+ }
+
+ return in;
+ }
+
/**
* Refresh the resource into cache if needed.
*
* @param stable
* TRUE for more stable resources, FALSE when they often change
*
- * @return TRUE if it was pre-downloaded
- *
* @throws IOException
* in case of I/O error
*/
* in case of I/O error
*/
public void saveAsImage(URL url, File target) throws IOException {
- URL cachedUrl = new URL(url.toString()
- + "."
- + Instance.getConfig().getString(Config.IMAGE_FORMAT_CONTENT)
- .toLowerCase());
+ URL cachedUrl = new URL(url.toString());
File cached = getCached(cachedUrl);
if (!cached.exists() || isOld(cached, true)) {
- InputStream imageIn = Instance.getCache().open(url, null, true);
- ImageIO.write(StringUtils.toImage(imageIn), Instance.getConfig()
+ InputStream imageIn = open(url, null, true);
+ ImageIO.write(IOUtils.toImage(imageIn), Instance.getConfig()
.getString(Config.IMAGE_FORMAT_CONTENT).toLowerCase(),
cached);
}
* @param uniqueID
* a unique ID for this resource
*
- * @return the resulting {@link FileAlreadyExistsException}
+ * @return the resulting {@link File}
*
* @throws IOException
* in case of I/O error
*
* @param url
* the resource to open
- * @return the opened resource
+ *
+ * @return the opened resource if found, NULL i not
+ *
* @throws IOException
* in case of I/O error
*/
*/
private void save(URL url, BasicSupport support, URL originalUrl)
throws IOException {
- URLConnection conn = url.openConnection();
-
- conn.setRequestProperty("User-Agent", UA);
- conn.setRequestProperty("Cookie", generateCookies(support));
- conn.setRequestProperty("Accept-Encoding", "gzip");
- if (support != null && support.getCurrentReferer() != null) {
- conn.setRequestProperty("Referer", support.getCurrentReferer()
- .toString());
- conn.setRequestProperty("Host", support.getCurrentReferer()
- .getHost());
- }
-
- conn.connect();
-
- // Check if redirect
- if (conn instanceof HttpURLConnection
- && ((HttpURLConnection) conn).getResponseCode() / 100 == 3) {
- String newUrl = conn.getHeaderField("Location");
- save(new URL(newUrl), support, originalUrl);
- return;
- }
-
- InputStream in = conn.getInputStream();
- if ("gzip".equals(conn.getContentEncoding())) {
- in = new GZIPInputStream(in);
- }
-
+ InputStream in = openNoCache(url, support, originalUrl, null);
try {
File cached = getCached(originalUrl);
BufferedOutputStream out = new BufferedOutputStream(
}
}
+ /**
+ * Open a connection on the given {@link URL}, and manage the cookies that
+ * come with it.
+ *
+ * @param url
+ * the {@link URL} to open
+ * @param support
+ * the {@link BasicSupport} to use for cookie generation
+ *
+ * @return the connection
+ *
+ * @throws IOException
+ * in case of I/O error
+ */
+ private URLConnection openConnectionWithCookies(URL url,
+ BasicSupport support) throws IOException {
+ URLConnection conn = url.openConnection();
+
+ conn.setRequestProperty("User-Agent", UA);
+ conn.setRequestProperty("Cookie", generateCookies(support));
+ conn.setRequestProperty("Accept-Encoding", "gzip");
+ if (support != null && support.getCurrentReferer() != null) {
+ conn.setRequestProperty("Referer", support.getCurrentReferer()
+ .toString());
+ conn.setRequestProperty("Host", support.getCurrentReferer()
+ .getHost());
+ }
+
+ return conn;
+ }
+
/**
* Check if the {@link File} is too old according to
* {@link Cache#tooOldChanging}.
}
if (support != null) {
- for (Map.Entry<String, String> set : support.getCookies()
- .entrySet()) {
- if (builder.length() > 0) {
- builder.append(';');
+ try {
+ for (Map.Entry<String, String> set : support.getCookies()
+ .entrySet()) {
+ if (builder.length() > 0) {
+ builder.append(';');
+ }
+ builder.append(set.getKey());
+ builder.append('=');
+ builder.append(set.getValue());
}
- builder.append(set.getKey());
- builder.append('=');
- builder.append(set.getValue());
+ } catch (IOException e) {
+ Instance.syserr(e);
}
}
git://git.nikiroo.be / fanfix.git / blobdiff