通过http访问第三方接口，跳过登录认证(cas)
依赖jar包
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.5</version>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpmime</artifactId>
<version>4.5.5</version>
</dependency>
获取会话ID及表单数据方法doCasLoginRequest()
private String[] doCasLoginRequest(HttpClient httpclient, String url) throws IOException {
try {
String result[] = new String[5];
HttpGet httpget = new HttpGet(url);
HttpResponse response = httpclient.execute(httpget);
Header[] headers = response.getAllHeaders();
System.out.println("0000000000000000000000000000000000000000");
for (int i = 0; i < headers.length; i++) {
System.out.println(headers[i].getName() + "=" + headers[i].getValue());
}
System.out.println("0000000000000000000000000000000000000000");
// 获取表单数据
HttpEntity entity = response.getEntity();
BufferedReader rd = new BufferedReader(new InputStreamReader(entity.getContent(), "UTF-8"));
String tempLine = rd.readLine();
String s = "<input type=\"hidden\" name=\"lt\" value=\"";
String salt = "<input type=\"hidden\" id=\"pwdDefaultEncryptSalt\" value=\"";
String x = "<input type=\"hidden\" name=\"execution\" value=\"";
while (tempLine != null) {
int index = tempLine.indexOf(s);
if (index != -1) {
String s1 = tempLine.substring(index + s.length());
int index1 = s1.indexOf("\"");
if (index1 != -1)
result[0] = s1.substring(0, index1);
}
int index_salt = tempLine.indexOf(salt);
if (index_salt != -1) {
String s1 = tempLine.substring(index_salt + salt.length());
int index1 = s1.indexOf("\"");
if (index1 != -1) {
result[1] = s1.substring(0, index1);
}
}
int index_x = tempLine.indexOf(x);
if (index_x != -1) {
String s1 = tempLine.substring(index_x + x.length());
int index1 = s1.indexOf("\"");
if (index1 != -1) {
result[2] = s1.substring(0, index1);
}
}
tempLine = rd.readLine();
}
// 获取会话ID
Header[] route = response.getHeaders("Set-Cookie");
if (route != null && route.length > 0) {
result[3] = route[0].getValue();
result[4] = route[1].getValue().split("; ")[0];
} else {
//
}
List<Cookie> cookies = cookieStore.getCookies();
for (int i = 0; i < cookies.size(); i++) {
Cookie cookie = cookies.get(i);
System.err.println(cookie.getDomain() + "\t" + cookie.getName() + "=" + cookie.getValue());
}
return result;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
获取票据方法 getTicketGrantingTicket()
public String getTicketGrantingTicket(final String server, final String username, final String password)
throws Exception {
if (this.temp != null) {
return temp;
}
String rs = "";
HttpPost post = new HttpPost(server);
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
String[] temp = doCasLoginRequest(httpclient, server);
nvps.add(new BasicNameValuePair("username", username));
nvps.add(new BasicNameValuePair("password", passwordAES(temp[1], password)));
System.out.println(temp[1] + "+++++++++++++++++++++++++++++++++++++++++++++");
nvps.add(new BasicNameValuePair("lt", temp[0]));
nvps.add(new BasicNameValuePair("execution", temp[2]));
nvps.add(new BasicNameValuePair("_eventId", "submit"));
nvps.add(new BasicNameValuePair("submit", "登录"));
nvps.add(new BasicNameValuePair("rmShown", "1"));
post.setEntity(new UrlEncodedFormEntity(nvps, "UTF-8"));
try {
HttpResponse response = httpclient.execute(post);
Header[] headers = response.getAllHeaders();
for (int i = 0; i < headers.length; i++) {
System.out.println(headers[i].getName() + "=" + headers[i].getValue());
}
System.out.println("========================登录请求返回值=======================");
// Cookie cookieSessionid = getCookieValue(httpclient, "JSESSIONID");
Cookie cookieCastgc = getCookieValue("CASTGC");
rs += cookieCastgc.getValue();
this.temp = rs;
return rs;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
获取图片调用过程 getFile()
public String getFile(HttpServletResponse response, String id) throws Exception {
try {
String temp = getTicketGrantingTicket(httpProperties.getJinzhiServer(), httpProperties.getUsername(),
httpProperties.getPassword());
System.err.println(temp);
HttpGet get = new HttpGet(
"http://ehall.jhun.edu.cn/hqfw/sys/emapcomponent/file/getAttachmentFile/" + id + ".do");
BasicClientCookie cookie = new BasicClientCookie("CASTGC", temp);
cookie.setDomain("ehall.jhun.edu.cn");
cookie.setPath("/");
cookieStore.addCookie(cookie);
// post.setHeader("Cookie", temp);
HttpResponse response1 = httpclient.execute(get);
System.out.println(response1.getStatusLine().getStatusCode());
Header[] headers = response1.getAllHeaders();
String disposition = null;
for (int i = 0; i < headers.length; i++) {
String name = headers[i].getName();
String value = headers[i].getValue();
System.out.println(name + "=" + value);
if ("Content-Disposition".equals(name)) {
disposition = value;
}
}
response.addHeader("Content-Type", "image/*");
response.addHeader("Content-Disposition", disposition);
InputStream in = new ByteArrayInputStream(EntityUtils.toByteArray(response1.getEntity()));
OutputStream out = response.getOutputStream();
// OutputStream out = new FileOutputStream(new
// File("C:\\Users\\Administrator\\Desktop\\a.jpg"));
byte[] buffer = new byte[4096];
int i = 0;
while ((i = in.read(buffer)) != -1) {
out.write(buffer, 0, i);
}
out.flush();
in.close();
// inputStreamToFile(response1.getEntity().getContent(),
// "C:\\Users\\chaofan\\Desktop\\my.jpg");
} catch (Exception e) {
e.printStackTrace();
}
return "SUCCESS";
}
上传图片调用过程 requestUpload()
public String requestUpload(String url, String temp, File file) throws Exception {
// http://authserver.jhun.edu.cn/authserver/login?service=http://ehall.jhun.edu.cn/hqfw/sys/emapcomponent/file/uploadTempFile.do
HttpPost post = new HttpPost(url);
System.err.println(temp);
BasicClientCookie cookie = new BasicClientCookie("CASTGC", temp);
cookie.setDomain("ehall.jhun.edu.cn");
cookie.setPath("/");
cookieStore.addCookie(cookie);
if ("http://ehall.jhun.edu.cn/hqfw/sys/emapcomponent/file/uploadTempFile.do".equals(url)) {
MultipartEntityBuilder builder = MultipartEntityBuilder.create();
builder.addBinaryBody("files", file);
builder.addTextBody("scope", "157414895750982");
builder.addTextBody("fileToken", "1574148957509821");
builder.addTextBody("size", "0");
builder.addTextBody("type", "jpg,jpeg,png");
builder.addTextBody("storeId", "image");
builder.addTextBody("isSingle", "0");
builder.addTextBody("fileName", "");
post.setEntity(builder.build());
}
HttpResponse response1 = httpclient.execute(post);
StringBuffer sb = new StringBuffer();
System.out.println(response1.getStatusLine().getStatusCode());
InputStream is = response1.getEntity().getContent();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String line = "";
while ((line = br.readLine()) != null) {
System.out.println("----" + line);
sb.append(line);
}
if (response1.getStatusLine().getStatusCode() == 302) {
String location = response1.getHeaders("Location")[0].getValue();
// post.abort();
return requestUpload(location, temp, file);
}
return sb.toString();
}
上传servce
StringBuffer sb = new StringBuffer();
MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;
Iterator<String> iter = multiRequest.getFileNames();
System.out.println();
while (iter.hasNext()) {
MultipartFile file = multiRequest.getFile((String) iter.next());
System.out.println(file.getSize());
String temp = jinzhiRpc.getTicketGrantingTicket(httpProperties.getJinzhiServer(), httpProperties.getUsername(),
httpProperties.getPassword());
File tempFile = new File("F:\\" + file.getOriginalFilename());
file.transferTo(tempFile);
sb.append(jinzhiRpc.requestUpload("http://ehall.jhun.edu.cn/hqfw/sys/emapcomponent/file/uploadTempFile.do", temp, tempFile)）;
}
return sb.toString();