TAO-RM-FO-REC- B014 Key authorization

36, 00 series SCPIProgrammable DC Power Supply© Copyright 2004 All Rights Reserved Ver2.0 /Sep 2005/DirectoryAbout your safety (3)Certification and Warranty (3)Chapter 1 Remote Operation Mode (5)Chapter 2 SCPI Order List (5)2.1 IEEE488.2 Common Order (5)2.2 SCPI Essential Order (5)2.3 Calibration Order (6)2.4 Output Order (6)2.5 Output Measure Order (6)Chapter 3 SCPI Condition Register (6)Chapter 4 SCPI Order Description (9)4.1 IEEE488.2 Common Order (9)4.2 SCPI Essential Order (10)4.3 Output Order (12)4.4 Input measurement order (13)About your safetyPease review the following safety precautions before operating our equipment.General informationThe following safety precautions should be observed before using this product and any associated instrumentations. Although some instruments and accessories would be used with non-hazardous voltages, there are situations where hazardous conditions may be present.This product is intended for use by qualified personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury. Read and follow all installation, operation, and maintenance information carefully before using the product. Refer to this manual for complete product specifications.If the product is used in a manner not specified, the protection provided by the product may be impaired.Before performing any maintenance, disconnect the line cord and all test cables.Protection from electric shockOperators of this instrument must be protected from electric shock at all times. The responsible body must ensure that operators are prevented access and/or insulated from every connection point. In some cases, connections must be exposed to potential human contact. Product operators in these circumstances must be trained to protect themselves from the risk of electric shock. If the circuit is capable of operating at or above 1000 volts, no conductive part of the circuit may be exposed.Definition of usersResponsible body is the individual or group responsible for the use and maintenance of equipment is operated within its specifications and operating limits, and for ensuring that operators are adequately trained.Operators use the product for its intended function. They must be trained in electrical safety procedures and proper use of the instrument. They must be protected from electric shock and contact with hazardous live circuits.Service is only to be performed by qualified service personnel.Safety symbols and termsConnect it to safety earth ground using the wire recommended in the usermanual.The symbol on an instrument indicates that the user should refer to the operatinginstructions located in the manual.High voltage dangerCertification and WarrantyCertificationWe certify that this product met its published specifications at time of shipment from the factory.WarrantyThis instrument product is warranted against defects in material and workmanship for a period of one year from date of delivery. During the warranty period we will, at its option, either repair or replace products which prove to be defective. For warranty service, with the exception of warranty options, this product must be returned to a service facility designated by us. Customer shall prepay shipping charges by (and shall pay all duty and taxes) for products returned to the supplier for warranty service. Except for products returned to customer from another country, supplier shall pay for return of products to customer.Limitation of WarrantyThe foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Customer, Customer-supplied software or interfacing, unauthorized modification or misuse, operation outside of the environmental specifications for the product, or improper site preparation and maintenance.Chapter 1 Remote Operation ModeE133 GPIB Communication CableThe DB9 interface connector on the rear panel of power supply is TTL voltage level; you can use the GPIB communication cable (E133) to connect the DB9 interface connector of the power supply, and then connect the GPIB interface of the E133 and computer with GPIB/IEEE 488 lineChapter 2 SCPI &RPPDQG List2.1 IEEE488.2 Common &RPPDQGV"*CLS""*ESE""*ESE?""*ESR?","*IDN?","*SRE","*SRE?","*STB?",2.2 SCPI Essential &RPPDQGVSYSTem:ERRor[:NEXT]?:VERSion?STATus:QUEStionable[:EVENt]?:CONDition?:ENABle <VALUE>:ENABle?2.3 Calibration &RPPDQGV CALibration :SECure [:STATe] {<ON|OFF>,<quoted code>} ]:STATe]? :VOLTage :LEVel {<level> } [:DATA] {<numeric value>} :CURRent :LEVel {<level> } [:DATA] {<numeric value>} :SAVe :INITital 2.4 Output &RPPDQGV OUTPut [:STATe] <b> [:STATe]? [SOURce:] VOLTage [:LEVel][:IMMediate][:AMPLitude] [:A MPLitude]? :PROTection[:LEVel] [:LEVel]? CURRent [:LEVel][:IMMediate][:AMPLitude] [:A MPLitude]?2.5 Output Measure &RPPDQGV MEASure [:SCALar] :VOLTage[:DC]? :CURRent[:DC]? :POWer[:DC]? Chapter 3 SCPI Condition RegisterYou can get the condition of power supply and read parameter from the operation register. The power supply can get the different state by 4 condition registers. These registers are status byte register, standard event register, quest condition register and operation status register. The status byte register stores the information of 3 other register. You can get each register’s meaning from the following table:B IT Signal Meaning 0 CV 23(5ation status register. The power supply is in constant voltage condition.1 CC The power supply is in constant current condition.0 1 OTUNRQuest condition registerOvertemperatureThe output of power supply is unregulated.0 2 34 57 OPCQYEDDEEXECMEPONStandard event status registerOperation of power supply is completed.Query error. Data of output array is missing.Device-dependent error. Data stored in register is missing or error occursin preliminary checkout.Execution error. Order parameter overflows or the condition is not right.Command error. Syntax or semantic error occurs when receivinginformation.Power on. It is 1when power supply is reset.3 4 5 6 7 QUESMAVESBMSSRQSOPERStatus byte registerIf a quest enable condition changes, QUES is 1.If the output array buffer storage is not empty, MAV is 1.If a standard event status enable register changes, ESB is 1.If a operation event enable register changes, OPER is 1.Structure of condition register V LV as following:Chapter 4 SCPI Order Description4.1 IEEE488.2 Common Commands*CLSThis order can clean the register as follows:：Standard event status registerQuest condition registerOperation event registerStatus byte registerError codeOrder syntax：*CLSParameter：None*ESEThis order can set the parameter of standard event enable register. Setting parameter can determine which bit value of standard event register is 1 and the byte will enable ESB of status byte register is 1.Order syntax：*ESE <NRf>Parameter：0~255Reset value：Consult *PSC orderExample：*ESE 128Quest syntax：*ESE？Return parameter：<NR1>Reference order：*ESR？ *PSC *STB？Bit determination of standard event enable registerBit position 7 6 5 4 3 2 1 0Bit Name PON Not used CME EXE DDE QYE Not used OPC Bit Weight 128 32 16 8 4PON Power-onCME Command error EXE Execution error DDE Device-dependent error QYE Query errorOPC Operation complete*ESR?This order can read the value of standard event status register. After executing this order, standard event status register is reset. Bit definition of standard event status register is as the same as the standard event status enable registerQuest syntax：*ESR？Parameter：NoneReturn parameter：<NR1>Reference order：*CLS *E SE *ESE？*OPC*IDN?This order can read information about power supply. The parameter it returns contains 4 segments divided by comma.Quest syntax：*IDN？Parameter：NoneReturn parameter：<AARD> segment descriptionITECH manufacturerXXXX product modeXXXXXX product serial numberVX．XX software version numberFor example：ITECH, IT6822, 6970001004, V1.54*SREThis order can set the parameter of status byte enable register. Setting parameter can determine which byte value of status byte register is 1 and the byte will enable RQS of status byte register is 1. Bit definition of status byte enable register is as the same as the status byte register.Order syntax：*SRE <NRf>Parameter：0~255Reset value：Consult *PSC orderExample：*SRE 128Quest syntax: *SRE？Return parameter：<NR1>Reference Order：*ESE *ESR？ *PS C *STB？*STB?This order can read the data from status byte register. After executing this order, status byte register is reset.Quest syntax：*STB？Parameter：NoneReturn parameter：<NR1>Reference order：*CLS *ESE *ESRBit determination of standard event status enable register7 6 54 3 2 1 0PositionBitBit Name OPER RQS ESB no use QUES no use no use no use32864128BitValue4.2 SCPI Essential CommandsSYSTem:ERRor[:NEXT]?This order can get the error code and error information of the power supply.(0) No error(1) Too many numeric suffices in Command Spec(10) No Input Command to parse(14) Numeric suffix is invalid value(16) Invalid value in numeric or channel list, e.g. out of range(17) Invalid number of dimensions in a channel list(20) Parameter of type Numeric Value overflowed its storage(30) Wrong units for parameter(40) Wrong type of parameter(s)(50) Wrong number of parameters(60) Unmatched quotation mark (single/double) in parameters(65) Unmatched bracket(70) Command keywords were not recognized(80) No entry in list to retrieve (number list or channel list)(90) Too many dimensions in entry to be returned in parameters(101) Command Execution error(100) Too many command(110) Rxd error Parity(200) Error EEPROM data,Out Initial.(201) Error Calibration dataOrder syntax：SYST:ERR?Parameter：NoneReturn parameter：〈NR1〉，〈SRD〉SYSTem:VERSion?This order can query the software version.Order syntax：SYST:VERS?Parameter：NoneReturn parameter：<NR2>STATus:QUEStionable[:EVENt]?This order can read the parameter from quest event register. After executing , quest event register is reset.Quest syntax：STATus:QUEStionable[:EVENt]?Parameter：NoneReturn parameter：<NR1>Reference order：STATus:QUEStionable:ENABleBit determination of quest event registerBit Position 15 1413 12 11109 8 7 6 5 4 3 2 1 0 Bit name n.u n.u n.u n.u n.u n.u n.u n.u n.u n.u n.u n.u n.u n.u Un OT Bit Value 2 1STATus:QUEStionable:CONDition?This order can read the parameter from quest condition register. When a bit of quest condition changes, the bit value corresponding in quest event register is 1.Quest syntax：STATus:QUEStionable: CONDition?Parameter：NoneReturn parameter：<NR1>STATus:QUEStionable:ENABleThis order can set the parameter of quest event enable register. Setting parameter can determine which bit value of quest event register is 1 and the bit will enable QUES of status byte register is 1.Order syntax：STATus:QUEStionable:ENABle <NRf>Parameter：0~255Reset value：Consult *PSC orderExample：STATus:QUEStionable:ENABle 128Quest syntax：STATus:QUEStionable:ENABle？Return parameter：<NR1>Reference order：*PSCSTATus:OPERation:EVENt]?This order can read the parameter from operation event register. After executing this order, operation event register is reset.Quest syntax：STATus: OPERation [:EVENt]?Parameter：NoneReturn parameter：<NR1>Reference order：STATus: OPERation:ENABleBit determination of operation event enable registerBit Position 7 6 5 4 3 2 1 0Bit Name no use no use no use no use no use no use CC CVBit value 2 1 STATus:OPERation:CONDition?This order can read the parameter from the operation condition. When the parameter of operation condition register changes, the bit corresponding in operation event register is 1. Quest syntax：STATus: OPERation: CONDition?Parameter：NoneReturn parameter：<NR1>STATus:OPERation:ENABleThis order can set the parameter of operation even enable register. Setting parameter can determine which bit value of operation event register is 1 and the bit will enable OPER of status byte register is 1.Order syntax：STATus: OPERation:ENABle <NRf>Parameter：0~255Reset value：Consult *PSC orderExample：STATus: OPERation:ENABle 128Quest syntax：STATus: OPERation:ENABle？Return parameter：<NR1>Reference order：*PSC4.3 Output CommandsONPut[:STATe]This order can set power supply output on or off..Order syntax：ONPut[:STATe] <bool>Parameter：0|1|ON|OFF*RST value：OFFQuest syntax：ONPut:STATe?Return parameter：0|1[SOURce:]CURRent [:LEVel]This order can set current value of power supply.Order syntax：[SOURce:]CURRent [:LEVel] <NRf>Parameter：MIN TO MAX|MIN|MAXUnit：A mA*RST value: MINExample：CURR 3A，CURR 30mA，CURR MAX，CURR MIN Quest syntax：[SOURce:]CURRent [:LEVel]？Parameter：[MIN|MAX]Example：CURR？, CURR？ MAX, CURR？MINReturn parameter：<NR2>[SOURce:]VOLTage[:LEVel]This order can set voltage value of power supply.Order syntax：[SOURce:]VOLTage[:LEVel] <NRf>Parameter：MIN TO MAX|MIN|MAXUnit：V mV kV*RST value：MAXQuest syntax：[SOURce:]VOLTage[:LEVel]？Parameter：[MIN|MAX]Return parameter：<NR2>[SOURce:]VOLTage:PROTection[:LEVel]This order can set voltage protection maximum level.Order syntax：[SOURce:] VOLTage:PROTection[:LEVel] <NR f> Parameter：MIN TO MAX|MIN|MAXUnit：V mV*RST value：MAXExample：VOLT:PROT 30V, VO LT PROT MAXQuest syntax：[SOURce:] VOLTage:PROTection[:LEVel]？Parameter：[MIN|MAX]Example：VOLT:PROT？, VO LT PROT？ MAXReturn parameter：<NR2>4.4 Input measurement commands MEASure[:SCALar]:VOLTage[:DC]?This order can get the input voltage of power supply.Order syntax：MEASure[:SCALar]:VOLTage[:DC]?Parameter：NoneReturn parameter：〈NR2〉Return parameter unit：VExample：MEAS:VOLT？MEASure[:SCALar]:CURRent[:DC]?This order can get the input current of power supply.Order syntax：MEASure[:SCALar]:CURRent[:DC]?Parameter：NoneReturn parameter：〈NR2〉Return parameter unit：AExample：MEAS:CURR？MEASure[:SCALar]:POWer[:DC]?This order can get the input power of the power supply.Order syntax：MEASure[:SCALar]:POWer?Parameter：NoneReturn parameter：〈NR2〉Return parameter unit：WExample：MEAS:POW?Calibration orderCALibration:SECure:[STATe]Set protection mode enable or disable when calibrating the power supply.Order syntax：CALibration:SECure:[STATe ]{ON|OFF>,[<password>]}Parameter：0|1|ON|OFF, ‘5811Example：CAL:SEC 1, ‘5811; CAL:SEC OFFQuest syntax：CALibration:SECure:STATe？Parameter：NoneCALibration:VOLTage:LEVelThis order can set voltage calibration point. P1、P2、P3、P4 must be calibrated orderly. Order syntax：CALibration:VOLTage:LEVel <point>Parameter：P1|P2CALibration:VOLTage [:DATA] {<numeric value>}Return actual output voltage value of calibration point.Order syntax：CALibration:VOLTage [:DATA] <NRf>Parameter：<NRf>Example：CAL:VOLT 30.0002VCALibration:CURRent:LEVelThis order can set current calibration point. P1、P2、P3、P4 must be calibrated orderly. Order syntax：CALibration:CURRent:LEVel <point>Parameter：P1|P2CALibration:CURRent [:DATA] {<numeric value>}Return actual output current value to calibration point.Order syntax：CALibration:CURRent [:DATA] <NRf>Parameter：<NRf>Example：CAL:VOLT 3.0002A。

HTTP基本认证（BasicAuthentication）的JAVA实例代码⼤家在登录⽹站的时候，⼤部分时候是通过⼀个表单提交登录信息。

但是有时候浏览器会弹出⼀个登录验证的对话框，如下图，这就是使⽤HTTP基本认证。

下⾯来看看⼀看这个认证的⼯作过程:第⼀步: 客户端发送http request 给服务器,服务器验证该⽤户是否已经登录验证过了，如果没有的话，服务器会返回⼀个401 Unauthozied给客户端，并且在Response 的 header "WWW-Authenticate" 中添加信息。

如下图。

第三步: 服务器将Authorization header中的⽤户名密码取出，进⾏验证，如果验证通过，将根据请求，发送资源给客户端。

下⾯来看⼀个JAVA的⽰例代码import java.io.IOException;import java.io.PrintWriter;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import sun.misc.BASE64Decoder;public class HTTPAuthServlet extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {if (!BasicAuthenticationUtil.checkUserAuth(request, "basicAuth")) {if (!BasicAuthenticationUtil.checkHeaderAuth(request, "basicAuth")) {response.setStatus(401);response.setHeader("Cache-Control", "no-store");response.setDateHeader("Expires", 0);response.setHeader("WWW-authenticate", "Basic Realm=\"test\"");return null;}}// 验证通过后String client = request.getParameter("client");if (StringUtils.isBlank(client)) {//......}// 其他操作....}public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {doGet(request, response);}}BasicAuthenticationUtil 帮助类import java.io.IOException;import java.io.UnsupportedEncodingException;import javax.servlet.http.HttpServletRequest;import org.jfree.util.Log;import sun.misc.*;/*** basic Auth 认证⽅式** @author Geely**/public class BasicAuthenticationUtil {/**** @param request* @param response* @param sessionName* @return*/public static boolean checkHeaderAuth(HttpServletRequest request, String sessionName) {String authorization = request.getHeader("Authorization");if ((authorization != null) && (authorization.length() > 6)) {authorization = authorization.substring(6, authorization.length());String decodedAuth = base64Decode(authorization);if (StringUtil.isNotBlank(sessionName)) {request.getSession().setAttribute(sessionName, decodedAuth);}return true;}return false;}/**** @param request* @param response* @param sessionName* @return*/public static boolean checkUserAuth(HttpServletRequest request, String sessionName) {String sessionAuth = null;if (StringUtil.isNotBlank(sessionName)) {sessionAuth = (String) request.getSession().getAttribute(sessionName);}if (sessionAuth != null) {("this is next step");return true;}return false;}/*** 编码** @param bstr* @return String*/@SuppressWarnings("restriction")public static String base64Encode(byte[] bstr) {String strEncode = new BASE64Encoder().encode(bstr);return strEncode;}/*** 解码** @param str* @return*/@SuppressWarnings("restriction")public static String base64Decode(String str) {if (StringUtil.isBlank(str)) {return null;}String s = null;try {BASE64Decoder decoder = new BASE64Decoder();byte[] b = decoder.decodeBuffer(str);s = new String(b, "UTF8");} catch (UnsupportedEncodingException e) {// TODO Auto-generated catch blocks = null;} catch (IOException e) {// TODO Auto-generated catch blocks = null;}return s;}}当request第⼀次到达服务器时，服务器没有认证的信息，服务器会返回⼀个401 Unauthozied给客户端。

python爬⾍之破解javascript-obfuscator的混淆加密接上⼀篇有关前端加密达到反爬的⽂章，是不是觉得⽤了javascript-obfuscator 就很安全了，那还真不⼀定啊，还是那句，反爬与反反爬⼀直在⽃争，没有谁能绝对的压制另⼀⽅，只有使⽤者技术的⾼低。

以下就是⼀个⼤神的针对javascript-obfuscator库的破解。

本篇⽂章转载于 :死代码与花指令在开始之前，我们先了解⼀下这种「在代码中插⼊⼤量⽆⽤代码以混淆视听」的混淆⽅式吧。

这种混淆⽅式有两种叫法，或者说是两种做法，它们分别是「死代码」和「花指令」。

> 死代码死代码⼀开始是被⽤来描述⼀些⼈写代码时写出的没有⽤到的代码的，为了编译后的⽂件尽可能地⼩，编译器通常会对死代码进⾏移除处理。

⽽在不知道什么时候开始，死代码被安全⼯作者们⽤来作为⼀种混淆机制，以将代码量变得极为庞⼤，使进⾏逆向⼯程的⼈难以找到主要逻辑。

但死代码有个很明显的特征：它虽然看着代码量很⼤，但实际却完全不会在程序的正常代码中被调⽤。

如果你有兴趣的话，可以对⼀些包含了死代码的代码进⾏聚类分析，你会发现死代码和正常代码之间泾渭分明，正常代码都是互相关联着的，⽽死代码却是孤零零的⼀块或者多块，并且正常代码还完全不会与死代码产⽣关联。

> 花指令花指令是以前被⼤量运⽤在⽊马、病毒的免杀上的⼀种反反汇编⼿段，花指令中的“指令”通常指的是汇编中的 jmp、call 之类的调⽤、跳转指令，⽽攻击者们会将这些指令巧妙地插⼊到恶意代码的执⾏逻辑中，使得静态分析⼯具在分析到这个位置时⽆法正常反汇编。

花指令曾经的⽬的主要有两个，⼀个是使杀毒软件⽆法⾃动分析出恶意代码，达到瞒天过海的效果；⼀个是给安全⼯作者在分析恶意软件时设下层层阻拦，使安全⼯作者需要花费更多的时间才能理清代码逻辑，达到拖延时间的效果。

同样是不知道什么时候开始，花指令也被安全⼯作者们⽤来作为⼀种混淆机制。

Package‘auth0’March26,2023Type PackageTitle Authentication in Shiny with Auth0Version0.2.3Description Uses Auth0API(see<https://>for moreinformation)to use a simple authentication system.It providestools to log in and out a shiny application using social networks or a listof e-mails.BugReports https:///curso-r/auth0/issuesLicense MIT+file LICENSEEncoding UTF-8RoxygenNote7.2.3Imports httr,shiny,yaml,utils,shinyjsSuggests knitr,rmarkdownVignetteBuilder knitrURL https://curso-r.github.io/auth0/NeedsCompilation noAuthor Julio Trecenti[cre],Daniel Falbel[aut],JoséJesus[ctb],Dean Attali[ctb],C Lente[ctb]Maintainer Julio Trecenti<************************>Repository CRANDate/Publication2023-03-2621:50:05UTCR topics documented:auth0_config (2)auth0_find_config_file (2)auth0_info (3)12auth0_find_config_file auth0_logout_url (3)logout (4)logoutButton (5)logout_url (6)shinyAppAuth0 (7)shinyAuth0App (7)ui-server (8)use_auth0 (9)Index10 auth0_config Parse_auth0.ymlfile.DescriptionValidates and creates a list of useful information from the_auth0.ymlfile.Usageauth0_config(config_file)Argumentsconfig_file path to the_auth0.ymlfile.If not informed,will try tofind thefile usingauth0_find_config_file.ValueList containing all the information from the_auth0.ymlfile.auth0_find_config_fileFind the configurationfile.DescriptionTries tofind the path to the_auth0.ymlfile.First,it tries to get this info from options(auth0_config_file =).If this option is NULL(the default)it tries tofind the_auth0.yml within the working directory.If thefile does not exist,it raises an error.Usageauth0_find_config_file()auth0_info3ValueCharacter vector of length one contaning the path of the_auth0.ymlfile.See Alsouse_auth0.auth0_info Information used to connect to Auth0.DescriptionCreates a list containing all the important information to connect to Auth0service’s API.Usageauth0_info(config)Argumentsconfig path to the_auth0.ymlfile or the object returned by auth0_config.If not in-formed,will try tofind thefile using auth0_find_config_file.ValueA list contaning scope,state,keys,OAuth2.0app,endpoints,audience and remote URL.For com-patibility reasons,remote_url can be either a parameter in the root yaml or inside a shiny_config parameter.See Alsouse_auth0to create an_auth0.yml template.auth0_logout_url Generate logout URLDescriptionauth0_logout_url()is defunct as of auth00.1.2in order to simplifly the user experience with the logoutButton()function.Usageauth0_logout_url(config_file=NULL,redirect_js=TRUE)4logout Argumentsconfig_file Path to YAML configurationfile.redirect_js include javascript code to redirect page?Defaults to TRUE.Examples#simple UI with action button#AFTER auth00.1.2if(interactive()){library(shiny)library(auth0)ui<-fluidPage(logoutButton())server<-function(input,output,session){}config_file<-system.file("simple/_auth0.yml",package="auth0")shinyAppAuth0(ui,server,config_file)#simple UI with action button#BEFORE auth00.1.2library(shiny)library(auth0)library(shinyjs)#note that you must include shinyjs::useShinyjs()for this to workui<-fluidPage(shinyjs::useShinyjs(),actionButton("logout_auth0","Logout"))#server with one observer that logoutsserver<-function(input,output,session){observeEvent(input$logout_auth0,{#javascript code redirecting to correct urljs<-auth0_logout_url()shinyjs::runjs(js)})}shinyAuth0App(ui,server,config_file)}logout Log out of an auth0applogoutButton5 DescriptionLog the current user out of an auth0shiny app.Usagelogout()DetailsYou can also use a diferent configurationfile by setting the auth0_config_file option with: options(auth0_config_file="path/to/file.yaml").See AlsologoutButton,logout_urllogoutButton Create a button to log outDescriptionA logoutButton is an actionButton that is meant to be used to log out of an auth0Shiny app.UsagelogoutButton(label="Log out",...,id="._auth0logout_")Argumentslabel The label on the button.d attributes to apply to the button.id An ID for the button.If you only have one logout button in your app,you do not need to explicitly provide an ID.If you have more than one logout button,youneed to provide a unique ID to each button.When you create a button with anon-default ID,you must create an observer that listens to a click on this buttonand logs out of the app with a call to logout.See Alsologout,logout_url6logout_url Examplesif(interactive()){ui<-fluidPage(logoutButton(),logoutButton(label="Another logout button",id="logout2"))server<-function(input,output,session){observeEvent(input$logout2,{logout()})}shinyAuth0App(ui,server)}logout_url Generate a logout URLDescriptionGenerate a URL that will log the user out of the app if visited.Usagelogout_url()DetailsYou can also use a diferent configurationfile by setting the auth0_config_file option with: options(auth0_config_file="path/to/file.yaml").ValueURL string to log out.See AlsologoutButton,logoutshinyAppAuth07 shinyAppAuth0Create a Shiny app object with Auth0AuthenticationDescriptionThis function modifies ui and server objects to run using Auth0authentication.UsageshinyAppAuth0(ui,server,config_file=NULL,...)Argumentsui an ordinary UI object to create shiny apps.server an ordinary server object to create shiny apps.config_file path to Y AML configurationfile....Other arguments passed on to shiny::shinyApp().DetailsYou can also use a diferent configurationfile by setting the auth0_config_file option with: options(auth0_config_file="path/to/file.yaml").Disable auth0while developing appsSometimes,using auth0to develop and test apps can be frustrating,because every time the app is started,auth0requires the user to log-in.To avoid this problem,one can run options(auth0_disable =TRUE)to disable auth0temporarily.shinyAuth0App Create a Shiny app object with Auth0AuthenticationDescriptionAs of auth00.1.2,shinAuth0App()has been renamed to shinyAppAuth0()for consistency. UsageshinyAuth0App(ui,server,config_file=NULL)Argumentsui an ordinary UI object to create shiny apps.server an ordinary server object to create shiny apps.config_file path to Y AML configurationfile.8ui-server ui-server Modifies ui/server objects to authenticate using Auth0.DescriptionThese functions can be used in a ui.R/server.R framework,modifying the shiny objects to authenti-cate using Auth0service with no pain.Usageauth0_ui(ui,info)auth0_server(server,info)Argumentsui shiny.tag.list object to generate the user interface.info object returned from auth0_info.If not informed,will try tofind the_auth0.yml and create it automatically.server the shiny server function.See Alsoauth0_info.Examples#first,create the yml file using use_auth0()functionif(interactive()){#ui.R filelibrary(shiny)library(auth0)auth0_ui(fluidPage(logoutButton()))#server.R filelibrary(auth0)auth0_server(function(input,output,session){})#consoleoptions(shiny.port=8080)shiny::runApp()}use_auth09 use_auth0Auth0configurationfileDescriptionCreate an YAML containing information to connect with Auth0.Usageuse_auth0(path=".",file="_auth0.yml",overwrite=FALSE)Argumentspath Directory name.Should be the root of the shiny app you want to add this func-tionalityfile File name.Defaults to_auth0.yml.overwrite Will only overwrite existing path if TRUE.DetailsThe YAML configurationfile has required parameters and extra parameters.The required parameters are:•auth0_config is a list contaning at least:–api_url:Your account at Auth0(e.g.https://).It is the"Domain"inAuth0application settings.–credentials:Your credentials to access Auth0API,including*key:the Client ID in Auth0application settings.*secret:the Client Secret in Auth0application settings.The extra parameters are:•remote_url:If you are using Shiny-Server or ShinyApps IO service.•scope:The information that Auth0app will access.Defaults to"openid profile".•request:Endpoit to request a token.Defaults to"oauth/token"•access:Endpoit to access.Defaults to"oauth/token"IndexactionButton,5auth0_config,2,3auth0_find_config_file,2,2,3auth0_info,3,8auth0_logout_url,3auth0_server(ui-server),8auth0_ui(ui-server),8logout,4,5,6logout_url,5,6logoutButton,5,5,6logoutButton(),3shiny::shinyApp(),7shinyAppAuth0,7shinyAppAuth0(),7shinyAuth0App,7ui-server,8use_auth0,3,910。

获取ali token -回复标题：获取Ali Token的详细步骤在阿里巴巴的生态系统中，Ali Token作为一种重要的安全凭证，被广泛用于身份验证、访问授权等环节。

它能够确保数据的安全性和保护用户的隐私。

以下是一步一步获取Ali Token的详细过程。

第一步：注册并登录阿里云账号首先，你需要拥有一个阿里云账号。

如果你还没有账号，可以访问阿里云官方网站（完成注册后，使用你的账号和密码登录阿里云控制台。

第二步：创建AccessKeyAccessKey是阿里云提供的用于身份验证的一对密钥，包括AccessKey ID和AccessKey Secret。

我们需要通过这两个密钥来生成Ali Token。

在阿里云控制台首页，点击右上角的用户头像，选择“AccessKey管理”。

在“AccessKey管理”页面，点击“创建AccessKey”。

系统会自动生成一对AccessKey ID和AccessKey Secret。

请务必妥善保管这两个密钥，尤其是AccessKey Secret，因为它一旦泄露，可能会对你的账户安全造成威胁。

第三步：安装阿里云SDK为了方便地生成和使用Ali Token，我们可以借助阿里云提供的SDK（软件开发工具包）。

阿里云提供了多种语言版本的SDK，包括Python、Java、C#、PHP等。

以Python为例，你可以通过以下命令安装阿里云Python SDK：pip install aliyun-python-sdk-corepip install aliyun-python-sdk-sts第四步：编写代码生成Ali Token安装完SDK后，我们可以编写代码来生成Ali Token。

以下是一个简单的Python示例：pythonfrom aliyunsdkcore.profile import region_providerfrom aliyunsdkssts.request.v20150401 import AssumeRoleRequest from aliyunsdksts.client import StsClient# 设置你的AccessKey ID和AccessKey Secretaccess_key_id = 'your_access_key_id'access_key_secret = 'your_access_key_secret'# 创建StsClient对象sts_client = StsClient(access_key_id, access_key_secret)# 设置请求参数request = AssumeRoleRequest.AssumeRoleRequest()request.set_RoleArn('your_role_arn')request.set_RoleSessionName('your_session_name')# 发送请求并获取响应response = sts_client.do_action_with_exception(request)# 从响应中提取Ali Tokenali_token = response['Credentials']['SecurityToken']在这个示例中，你需要将`your_access_key_id`、`your_access_key_secret`、`your_role_arn`和`your_session_name`替换为你自己的实际值。

一选择题1．用户登录表单的method属性应该设置为（ B ）。

A. getB.postC.headD.可以不设置2．假如发布了一个名为的应用系统，域名为My_，本机的IP地址是202.163.45.68。

下面的几种方式哪一种是可以访问这个系统的。

（ A ）A．在本机：http://127.0.0.1/aspnethttp://locahost/aspnethttp:// 202.163.45.68/aspnethttp://qxl/aspnet,qxl是本主机名http://www.my_/aspnetB．在局域网内的其它计算机：http://127.0.0.1/aspnet。

http://locahost/aspnet。

http:// 202.163.45.68/aspnet。

http://qxl/aspnet。

http://www.my_/aspnet。

C．在因特网上的其它计算机：http://127.0.0.1/aspnethttp://locahost/aspnethttp:// 202.163.45.68/aspnethttp://qxl/aspnethttp://www.my_/aspnetD．在本计算机的主文夹下，双击一个.aspx的文件3．在代码<%@Page language=”c#” Codebehind=”WebForm1.aspx.cs”AutoEventWireup=”false” Inherits=”MfirsApp.WebForm1”%>中，Codebehind=”WebForm1.aspx.cs”表示（ A ）。

A．页面所对应的代码文件为“WebForm1.asp.cs”B．页面文件为“WebForm1.asp.cs”C．页面所对应的代码文件为“MfirsApp.WebForm1.cs”D．页面所对应的代码文件为“MfirsApp.WebForm1.Aspx”4．在CSS框模型有关magin，padding，border中，下面哪一种是正确的（ A ）。

数字证书中keytool命令使⽤说明这个命令⼀般在JDK\jre\lib\security\⽬录下操作keytool常⽤命令-alias 产⽣别名-keystore 指定密钥库的名称(就像数据库⼀样的证书库，可以有很多个证书，cacerts这个⽂件是jre⾃带的，你也可以使⽤其它⽂件名字，如果没有这个⽂件名字，它会创建这样⼀个)-storepass 指定密钥库的密码-keypass 指定别名条⽬的密码-list 显⽰密钥库中的证书信息-v 显⽰密钥库中的证书详细信息-export 将别名指定的证书导出到⽂件-file 参数指定导出到⽂件的⽂件名-delete 删除密钥库中某条⽬-import 将已签名数字证书导⼊密钥库-keypasswd 修改密钥库中指定条⽬⼝令-dname 指定证书拥有者信息-keyalg 指定密钥的算法-validity 指定创建的证书有效期多少天-keysize 指定密钥长度使⽤说明：导⼊⼀个证书命令可以如下：keytool -import -keystore cacerts -storepass 666666 -keypass 888888 -alias alibabacert -file C:\alibabajava\cert\test_root.cer 其中-keystore cacerts中的cacerts是jre中默认的证书库名字，也可以使⽤其它名字-storepass 666666中的666666是这个证书库的密码-keypass 888888中的888888是这个特定证书的密码-alias alibabacert中的alibabacert是你导⼊证书的别名，在其它操作命令中就可以使⽤它-file C:\alibabajava\cert\test_root.cer中的⽂件路径就是要导⼊证书的路径浏览证书库⾥⾯的证书信息，可以使⽤如下命令：keytool -list -v -alias alibabacert -keystore cacerts -storepass 666666要删除证书库⾥⾯的某个证书，可以使⽤如下命令：keytool -delete -alias alibabacert -keystore cacerts -storepass 666666要导出证书库⾥⾯的某个证书，可以使⽤如下命令：keytool -export -keystore cacerts -storepass 666666 -alias alibabacert -file F:\alibabacert_root.cer要修改某个证书的密码（注意：有些数字认证没有私有密码，只有公匙，这种情况此命令⽆效）这个是交互式的，在输⼊命令后，会要求你输⼊密码keytool -keypasswd -alias alibabacert -keystore cacerts这个不是交互式的，输⼊命令后直接更改Keytool -keypasswd -alias alibabacert -keypass 888888 -new 123456 -storepass 666666 -keystore cacertsOwner: CN=BOCTestCA, O=BOCTest, C=CNIssuer: CN=BOCTestCA, O=BOCTest, C=CNSerial number: 31e60001Valid from: Tue Oct 28 16:54:26 CST 2008 until: Sat Oct 28 16:54:26 CST 2028Certificate fingerprints:MD5: F0:35:F9:69:31:AE:87:01:6C:2D:56:BD:02:0A:16:4ASHA1: 24:EF:84:14:4E:BD:0D:37:59:2D:70:28:79:10:88:EA:0A:06:13:20Signature algorithm name: SHA1withRSAVersion: 3Extensions:#1: ObjectId: 2.5.29.19 Criticality=trueBasicConstraints:[CA:truePathLen:2147483647]#2: ObjectId: 2.5.29.15 Criticality=falseKeyUsage [DigitalSignatureNon_repudiationKey_EnciphermentData_EnciphermentKey_AgreementKey_CertSignCrl_Sign]#3: ObjectId: 2.5.29.14 Criticality=falseSubjectKeyIdentifier [KeyIdentifier [0000: E3 81 66 00 7B C9 8F 3F 5A 77 E0 6D 5C EB 41 42 ..f....?Zw.m\.AB 0010: C7 48 5A 10 .HZ.]]#4: ObjectId: 1.3.6.1.5.5.7.1.1 Criticality=falseAuthorityInfoAccess [[accessMethod: 1.3.6.1.5.5.7.48.1]#5: ObjectId: 2.5.29.31 Criticality=falseCRLDistributionPoints [[DistributionPoint:[CN=crl1, OU=crl, O=BOCTest, C=CN]]]#6: ObjectId: 2.5.29.32 Criticality=falseCertificatePolicies [[CertificatePolicyId: [2.5.29.32.0][PolicyQualifierInfo: [qualifierID: 1.3.6.1.5.5.7.2.182.1190010: 2E 31 37 31 2E 31 30 36 2F 63 70 73 2E 68 74 6D .171.106/cps.htm ]] ]]#7: ObjectId: 2.16.840.1.113730.1.1 Criticality=false NetscapeCertType [SSL CAS/MIME CAObject Signing CA]#8: ObjectId: 2.5.29.35 Criticality=falseAuthorityKeyIdentifier [KeyIdentifier [0000: E3 81 66 00 7B C9 8F 3F 5A 77 E0 6D 5C EB 41 42 ..f....?Zw.m\.AB 0010: C7 48 5A 10 .HZ.]]Trust this certificate? [no]: yesCertificate was added to keystore[root@orange3c bin]#NOTE: (xp: %JAVA_HOME%/jre/lib/security/cacerts, linux: $JAVA_HOME/jre/lib/security/cacerts)验证是否已创建过同名的证书keytool -list -v -alias tomcat -keystore "%JAVA_HOME%/jre/lib/security/cacerts " -storepass changeit删除已创建的证书keytool -delete -alias tomcat -keystore "%%JAVA_HOME%/jre/lib/security/cacerts " -storepass changeitKeytool是⼀个Java数据证书的管理⼯具。

enableauthorizationserver 原理
`EnableAuthorizationServer` 是 Spring Security OAuth2 的一个注解，用于开启授权服务器。

在 OAuth2 认证流程中，授权服务器负责生成和管理 access token，客户端通过获取 access token 来访问资源服务器。

其原理如下：
1. 用户在客户端（例如，移动应用或网页应用）进行身份验证。

2. 客户端将用户导向授权服务器，用户同意提供权限给客户端。

3. 授权服务器将客户端标识和用户授予的权限发送回客户端。

4. 客户端使用这些信息向授权服务器请求 access token。

5. 授权服务器验证客户端信息并生成 access token，然后将其发送回客户端。

6. 客户端使用 access token 请求资源服务器的资源。

7. 资源服务器验证 access token，如果有效，则返回请求的资源。

在 Spring Security OAuth2 中，`EnableAuthorizationServer` 注解告诉Spring Boot 应用要配置和启动授权服务器。

这个注解会自动配置一些必要的 bean，如认证存储、token生成和验证等。

以上内容仅供参考，如需更多信息，建议查阅 Spring Security 官方文档或咨询相关技术人员。