import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
+import java.io.FileNotFoundException;
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.CookieStore;
import java.net.HttpCookie;
import java.net.HttpURLConnection;
-import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
+import java.net.URLEncoder;
import java.util.Date;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import be.nikiroo.fanfix.bundles.Config;
import be.nikiroo.fanfix.supported.BasicSupport;
import be.nikiroo.utils.IOUtils;
+import be.nikiroo.utils.ImageUtils;
import be.nikiroo.utils.MarkableFileInputStream;
/**
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).
}
}
+ /**
+ * 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.
*
}
/**
- * Open a resource (will load it from the cache if possible, or save it into
- * the cache after downloading if not) as an Image, then save it where
- * requested.
- * <p>
- * This version will not always work properly if the original file was not
- * downloaded before.
+ * Save the given resource as an image on disk using the default image
+ * format for content.
*
* @param url
- * the resource to open
- *
- * @return the opened resource image
+ * the resource
+ * @param target
+ * the target file
*
* @throws IOException
* in case of I/O error
if (!cached.exists() || isOld(cached, true)) {
InputStream imageIn = open(url, null, true);
- ImageIO.write(IOUtils.toImage(imageIn), Instance.getConfig()
+ ImageIO.write(ImageUtils.fromStream(imageIn), Instance.getConfig()
.getString(Config.IMAGE_FORMAT_CONTENT).toLowerCase(),
cached);
}
* in case of I/O error
*/
public File addToCache(InputStream in, String uniqueID) throws IOException {
- File file = getCached(new File(uniqueID).toURI().toURL());
+ File file = getCached(uniqueID);
IOUtils.write(in, file);
return file;
}
+ /**
+ * Return the {@link InputStream} corresponding to the given unique ID, or
+ * NULL if none found.
+ *
+ * @param uniqueID
+ * the unique ID
+ *
+ * @return the content or NULL
+ */
+ public InputStream getFromCache(String uniqueID) {
+ File file = getCached(uniqueID);
+ if (file.exists()) {
+ try {
+ return new MarkableFileInputStream(new FileInputStream(file));
+ } catch (FileNotFoundException e) {
+ }
+ }
+
+ return null;
+ }
+
/**
* Clean the cache (delete the cached items).
*
*
* @param url
* the resource to open
+ * @param allowTooOld
+ * allow files even if they are considered too old
+ * @param stable
+ * a stable file (that dones't change too often) -- parameter
+ * used to check if the file is too old to keep or not
*
* @return the opened resource if found, NULL i not
*
* @throws IOException
* in case of I/O error
*/
- private InputStream load(URL url, boolean allowOld, boolean stable)
+ private InputStream load(URL url, boolean allowTooOld, boolean stable)
throws IOException {
File cached = getCached(url);
- if (cached.exists() && !isOld(cached, stable)) {
+ if (cached.exists() && (allowTooOld || !isOld(cached, stable))) {
return new MarkableFileInputStream(new FileInputStream(cached));
}
*
* @throws IOException
* in case of I/O error
- * @throws URISyntaxException
*/
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}.
*
* @param url
* the url
+ *
* @return the cached version if present, NULL if not
*/
private File getCached(URL url) {
String name = url.getHost();
- if (name == null || name.length() == 0) {
+ if (name == null || name.isEmpty()) {
name = url.getFile();
} else {
name = url.toString();
}
- name = name.replace('/', '_').replace(':', '_');
+ return getCached(name);
+ }
- return new File(dir, name);
+ /**
+ * Get the cache resource from the cache if it is present for this unique
+ * ID.
+ *
+ * @param uniqueID
+ * the id
+ *
+ * @return the cached version if present, NULL if not
+ */
+ private File getCached(String uniqueID) {
+ uniqueID = uniqueID.replace('/', '_').replace(':', '_')
+ .replace("\\", "_");
+
+ return new File(dir, uniqueID);
}
/**
}
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 / nikiroo-utils.git / blobdiff