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  • I get a 400 Bad Request error while using django-piston

    - by Cheezo
    Hello, I am trying to use Piston to provide REST support to Django. I have implemented my handlers as per the documentation provided . The problem is that i can "read" and "delete" my resource but i cannot "create" or "update". Each time i hit the relevant api i get a 400 Bad request Error. I have extended the Resource class for csrf by using this commonly available code snippet: class CsrfExemptResource(Resource): """A Custom Resource that is csrf exempt""" def init(self, handler, authentication=None): super(CsrfExemptResource, self).init(handler, authentication) self.csrf_exempt = getattr(self.handler, 'csrf_exempt', True) My class (code snippet) looks like this: user_resource = CsrfExemptResource(User) class User(BaseHandler): allowed_methods = ('GET', 'POST', 'PUT', 'DELETE') @require_extended def create(self, request): email = request.GET['email'] password = request.GET['password'] phoneNumber = request.GET['phoneNumber'] firstName = request.GET['firstName'] lastName = request.GET['lastName'] self.createNewUser(self, email,password,phoneNumber,firstName,lastName) return rc.CREATED Please let me know how can i get the create method to work using the POST operation?

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  • JAX-RS implementation of link/element expansion?

    - by Jimmy
    While reading documentation of Google Data API and Atlassian REST API, I found interesting functionality - link (or title, element expansion) - http://bit.ly/i3rKMw. I would like to implement this functionality in my Java project of web service server for our IS, but I can't find any proper solution or advices for implementation. My project is quite big with many services so I need some robust and most automated solution. I was thinking about how to implement it like an extension for RESTEasy and JAXB, but it seems to be very complicated. Do you know some opensource projects which implements this functionality or any advices which could help me?

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  • F5 irule with RESTful services

    - by Kyle Hayes
    I'm trying to come up with a rule on our F5 to direct traffic to our Tomcat server appropriately. We are deploying separate WAR files for each RESTful service. So, we would like to have the following URIs as an example: /services/quiz/01234/ /services/user/54321/ Where 'quiz' and 'user' are quiz.war and user.war respectively. We want to direct the traffic at the F5 level for /services/ to be the root and the rest of the URI to be directed to the Tomcat server. How do we accomplish this? Edit The browser url for a resource would look like http://www.domain.com/services/quiz/01234/ I want BIG-IP to send the request to tomcat as http://tomcatserver:8080/quiz/01234/ so basically remove /services and append everything after it to the tomcat domain. I would think this would be an easy regex, right?

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  • Play 2.0 RESTful request post-processing

    - by virtualeyes
    In regard to this question I am curious how one can do post-request REST processing a la (crude): def postProcessor[T](content: T) = { request match { case Accepts.Json() => asJson(content) case Accepts.Xml() => asXml(content) case _ => content } } overriding onRouteRequest in Global config does not appear to provide access to body of the response, so it would seem that Action composition is the way to go to intercept the response and do post-processing task(s). Question: is this a good idea, or is it better to do content-type casting directly within a controller (or other class) method where the type to cast is known? Currently I'm doing this kind of thing everywhere: toJson( i18n("account not found") ) toJson( Map('orderNum-> orderNum) ) while I'd like the toJson/toXml conversion to happen based on accepts header post-request.

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  • Best practice for partial updates in a RESTful service

    - by magiconair
    I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like change the status from ENABLED to DISABLED. (I have more complex scenarios than this) I don't want the caller to submit the entire record with just the updated field for security reasons (it also feels like overkill). Is there a recommended way of constructing the URIs? Do I use GET, POST, PUT or is there no agreed way of doing these kind of things? When reading the REST books RPC style calls seem to be frowned upon. Thanks Frank

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  • Is is bad practice to put a period in a URI path?

    - by saille
    I am designing a REST API for a web application. I want to clearly version the API so that the interface can be changed in future without breaking existing services. So in my v1.0 API I want to clearly identify it as the v1.0 API, leaving me the freedom to release a future v1.1 version with breaking changes. My question is, would a period in the path component of a URI be bad practice? eg. Is there any good reason not to use http://mysite.com/myapi/v1.0/services as a URI to my service?

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  • How to use PHP-based authentication from non-PHP based AJAX app?

    - by DavidR
    I've been asked to create a stand-alone webapp using "straight" HTML and Javascript that does user authentication against an existing PHP app (backend is MySQL). Unfortunately, I really don't have a firm grasp on how PHP authentication works, and I'd rather not invest a lot of time in learning PHP just for this particular case. I can see two possibilites so far 1) create a PHP wrapper around my new app and use native PHP authentication (don't like this) 2) create a simple REST-ful webservice around the PHP authentication (don't know how to do this) Anything else I should consider? Help is much appreciated!

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  • Can Atom be used for things besides syndication feeds?

    - by greim
    Purely in terms of its conceptual model, is the purpose of Atom (and RSS) only to provide a time-sequential series of frequently-updated items, such as "most recent blog posts" or "last twenty SVN commits," or can Atom be legitimately used to represent static and/or non-time-sequential listings/indices? As an example, "index of files under this directory", "dog breeds" or "music genres". Even if there's a date associated with the items, like a file's last modified date, what if you don't necessarily want time to be the primary consideration when you represent that model to your users? The context for this is passing around (generating and consuming) lists of things in a REST-ful environment, hopefully using a well-understood format, where "date something was created/updated" is a pertinent detail, but not the primary consideration. I realize there's probably no right answer, but wanted to get some perspectives. Thanks.

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  • how to model editing of multiple related resources on the same webpage?

    - by amikazmi
    Lets say we have a Company model, that has many Employees And has many Projects If we want to show the projects, we'll go to "/company/1/projects/index" If we want to edit 1 project, we'll go to "/company/1/projects/1/edit" What if we want to edit all the projects at once on the same webpage? We can go to "/company/1/edit" and put a nested forms for all the projects But what if we need a different webpage to edit all the employees at once too? We can't use "/company/1/edit" again.. Right now we do "/company/1/projects/multiedit", "/company/1/projects/multupdate"- but as you can see, it's not rest. How can we model this restfully?

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  • Cheapest ways to expose internet services

    - by tmow
    Hi all, we have developed/customized an internet site that provides functionalities like sharing, swap/barter, selling and rent any object/services trough public or private galleries and/or clubs. We'd like now to expose all or some of the services to the public, so that anybody can take advantage of our engine, but without spending too much as we rae running low on budget. At the moment we have developed some RSS interfaces for the public catalogs and is possible to use JQuery to query the engine. Do you have any advices on how to proceed here? We were thinking about something simple like framset, using openID like authentication, or similar technologies. Even if can be the coolest solution, we a would like to avoid the develop soap, rest or xmlrpc APIs as it takes a lot of time ( =money ) Do you have any super smart ideas?

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  • Google account: Can retrieve the picture from openid? Can I get it with OAuth to google?

    - by Jonathan
    Hi! I need to retrieve the name, email and picture from a google account. I am already using the openid to make the user login with it's google acc. Can I have the picture URL from the openid proccess? with OAuth I cant'seem to find the right scope to retrieve this information... See this link: http://code.google.com/apis/gdata/docs/directory.html there is a list of scopes that you can fetch with REST api to google and I didnt't see the one related to the profile. Btw, I am using PHP and the openid is already working, but didn't start with the oauth untill I know if I can(and need) retrieve the picture (because email and name already comes within the openid proccess) thanks, Joe

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  • iPhone, special characters in JSON Response

    - by eddit
    Writing an iphone app, and I'm getting my data from a REST API that returns JSON. My problem is, some of the data has special characters embedded and Im getting errors. Example: MartÌn Petite-RiviËre-Saint-FranÁois Here is my current code: NSString *jsonString = [[NSString alloc] initWithData:receivedData encoding:NSUTF8StringEncoding]; NSMutableArray *tempResults = [[[jsonString JSONValue] objectForKey:@"getRegionResortsLastUpdatedResponse"] objectForKey:@"return"]; Whenever the data has special characters in it "jsonString" return "(null)", otherwise everything works fine. Is this something I can handle on my end, or does the API need to be modified to output the character codes?

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  • How do I secure password parameters in RESTful web service URIs?

    - by adam
    i'm a newbie to server-side programming, so please forgive me if this gets messy. i've been contracted to create a web service to allow authenticated users to access a database. users have to enter a login and password. been reading and reading about REST vs SOAP, and i thought i'd settled on a RESTful design when i came across this statement: "Data that needs to be secure should not be sent as parameters in URIs." this seems like a major demerit against a RESTful approach. i'm aware that with https the password would be encrypted to prevent man-in-the-middle interception, but that leaves the server logs and client history as possible exposure points. is there a RESTful solution out there for this problem, or do i need to go SOAPy? any advice appreciated.

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  • Regarding Authlogic and page redirection.

    - by Paddy
    I am using authlogic for authentication in my Rails app. Have named routes for the frequent actions, viz: map.login "login", :controller = "user_sessions", :action = "new" map.logout "logout", :controller = "user_sessions", :action = "destroy" map.register "register", :controller = "users", :action = "new" map.edit 'user/edit/:id', :controller = "users", :action = "edit" But also in my routes.rb i have these automatically created REST routes too: map.resources :user_sessions map.resources :users The problem now is that a user can login from two different routes. Ex: From, http://localhost/login and also from http ://localhost/user_sessions/new. How do i restrict access only from the named route i have defined and not allow from user_sessions/new?

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  • Design RESTful service with multiple ids

    - by Dustin Digmann
    I am designing a RESTful service. It is to list a set of data. The main problem is that the set does not have a reasonable, single identifier. Nor can the specific set be easily calculated within the knowledge of the system. As a result, it does not seem possible to have a GET /items/{identifier} service. I do have the id of each element being requested. My main issue is that it does not seem RESTful to list the ids in the URI (eg GET items/{id1},{id2},...,{idn} ). Right? I could see DELETE having a similar use case - remove multiple items in one request cycle. How would such a use case be satisfied while staying within the REST realm? Is that possible?

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  • Custom Response + HTTP status?

    - by Cristian Boariu
    Hi, I have a rest interface for my project. For one class i have a POST method where you can post an xml and i RETURN a custom response like: <userInvitation>Invalid email</userInvitation> if the email from the xml which was posted, was incorrect + other custom messages i have defined for different situations. For all of these the HTTP STATUS is automatically put on 200 (OK). Is there any way to change it? Ps: I know that i can throw a web application like : throw new WebApplicationException(Response.Status.BAD_REQUEST); but in this case my custom response is no more included. So i just want to return my custom error + 400 as http response. Thanks in advance.

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  • Request/Response objects

    - by Dan
    I'm planning on using CXF's rest implementation. I'm thinking of simply annotating my entity classes with jaxb annotations, such as @XmlRootElement, in order to create response objects. The benefit being avoidance of code duplication. As for the (client) request object, which will be used by a separate web app, I'm thinking of 'copying' the entity classes, removing the orm annotations, and adding jaxb annotations. Based on the above: Are there any dangers of creating request/response objects from entity classes? My entity classes contain relational properties, if I were to annotate them with @XmlRootElement, how can I stop the relational properties from being added (or considered apart of) to the response object? Is there a better/easier way to create request objects rather than copying the entity classes, removing/adding annotations?

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  • "Refreshing" an XML feed on iPhone/Mac OSX

    - by Steve
    Hi all, I'm curious for those of you who are building iPhone apps based on REST/SOAP/XML-RPC or simply pulling down a dynamic XML feed, what does it mean exactly to you when a user says 'refresh' the feed? The straight forward way is to populate some collection, say an NSMutableArray, with whatever you bring down from the feed. If a widget on the UI is available to refresh, I typically do something like: [myMutableArray removeAllObjects]; // follow steps to repopulate myMutableArray It seems this is the least efficient algorithm for refreshing an XML feed. For instance many folks who are building Twitter clients, are appending changes to their existing feed, versus bringing down the entire feed in its complete form again. What kind of algorithms are you using to "refresh" your models when speaking to a server-side data source? Thanks all.

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  • The HTTP request was forbidden with client authentication scheme 'Anonymous'

    - by dudia
    I am trying to configure a WCF server\client to work with SSL I get the following exception: The HTTP request was forbidden with client authentication scheme 'Anonymous' I have a self hosted WCF server. I have run hhtpcfg both my client and server certificates are stored under Personal and Trusted People on the Local Machine Here is the server code: binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Certificate; binding.Security.Mode = WebHttpSecurityMode.Transport; _host.Credentials.ClientCertificate.Authentication.CertificateValidationMode = System.ServiceModel.Security.X509CertificateValidationMode.PeerOrChainTrust; _host.Credentials.ClientCertificate.Authentication.RevocationMode = X509RevocationMode.NoCheck; _host.Credentials.ClientCertificate.Authentication.TrustedStoreLocation = StoreLocation.LocalMachine; _host.Credentials.ServiceCertificate.SetCertificate("cn=ServerSide", StoreLocation.LocalMachine, StoreName.My); Client Code: binding.Security.Mode = WebHttpSecurityMode.Transport; binding.Security.Transport.ClientCredentialType = HttpClientCredentialType.Certificate; WebChannelFactory<ITestClientForServer> cf = new WebChannelFactory<ITestClientForServer>(binding, url2Bind); cf.Credentials.ClientCertificate.SetCertificate("cn=ClientSide", StoreLocation.LocalMachine, StoreName.My); ServicePointManager.ServerCertificateValidationCallback += RemoteCertificateValidate; Looking at web_tracelog.svclog and trace.log reveals that the server cannot autheticate the client certificate My certificate are not signed by an Authorized CA but this is why I added them to the Trusted People.... What Am I missing? What am I missing?

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  • JQuery Json error: Object doesn't support this property or method

    - by Abu Hamzah
    ERROR: Microsoft JScript runtime error: Object doesn't support this property or method i am using WCF service to pull the data and its very simple for the purpose of test and it does returning me the data from wcf service but it fails on json2.js on line number 314-316 // We split the first stage into 4 regexp operations in order to work around // crippling inefficiencies in IE's and Safari's regexp engines. First we // replace all backslash pairs with '@' (a non-JSON character). Second, we // replace all simple value tokens with ']' characters. Third, we delete all // open brackets that follow a colon or comma or that begin the text. Finally, // we look to see that the remaining characters are only whitespace or ']' or // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. if (/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/bfnrtu]/g, '@'). replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'). replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { here is what i am doing function serviceProxy(wjOrderServiceURL) { var _I = this; this.ServiceURL = wjOrderServiceURL; // *** Call a wrapped object this.invoke = function (options) { // Default settings var settings = { serviceMethod: '', data: null, callback: null, error: null, type: "POST", processData: false, contentType: "application/json", dataType: "text", bare: false }; if (options) { $.extend(settings, options); } function GetFederalHolidays() { $("#dContacts1").empty().html('Searching for Active Contacts...'); ContactServiceProxy.invoke({ serviceMethod: "Holidays", callback: function (response) { // ProcessActiveContacts1(response); debugger }, error: function (xhr, errorMsg, thrown) { postErrorAndUnBlockUI(xhr, errorMsg, thrown); } }); } any help what iam doing wrong? i try to change from dataType: text to json but i get the same error above.

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  • Forms authentication in Silverlight

    - by Matt
    I have a website using forms authentication. Everything runs sweet their. I've got a Silverlight app that uses Duplex messaging to talk to a WCF service. I'd like to be able to authenticate users in my service. I realize that by doing this <serviceHostingEnvironment aspNetCompatibilityEnabled="true" /> that my service would then have access to the HttpContext.Current context and I could easily authenticate a user. But herein lies the problem. aspNetCompatibilityEnabled="true" combined with Duplex messaging results in very, very, very slow communication between silverlight and the website (10 seconds or more). Unless I have a configuration wrong, I'm going to assume that this is a bug in WCF / Silverlight. So basically I'm looking for a workaround. One idea I wanted to try was to read the ASPSESSID cookie from the browser and send that value over the wire. But I don't know what to do with the cookie on the service side. Is there some way to authenticate a user by sending their cookie data over duplex messaging?

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  • DataContract Known Types - passing array

    - by Erup
    Im having problems when passing an generic List, trough a WCF operation. In this case, there is a List of int. The example 4 is described here in MSDN. Note that in MSDN sample, is described: // This will serialize and deserialize successfully because the generic List is equivalent to int[], which was added to known types. Above, is the DataContract: [DataContract] [KnownType(typeof(int[]))] [KnownType(typeof(object[]))] public class AccountData { [DataMember] public object accNumber1; [DataMember] public object accNumber2; [DataMember] public object accNumber3; [DataMember] public object accNumber4; } In client side, Im calling the operation like this: DataTransfer.Service.AccountData data = new DataTransfer.Service.AccountData() { accNumber1 = 100, accNumber2 = new int[100], accNumber3 = new List<int>(), accNumber4 = new ArrayList() }; cService.AddAccounts(data); Also, here is the decorations of the generated AccountData obj (WCF proxy): [System.Diagnostics.DebuggerStepThroughAttribute()] [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Runtime.Serialization", "3.0.0.0")] [System.Runtime.Serialization.DataContractAttribute(Name="AccountData", Namespace="http://schemas.datacontract.org/2004/07/DataTransfer.Service")] [System.SerializableAttribute()] [System.Runtime.Serialization.KnownTypeAttribute(typeof(DataTransfer.Client.CustomerServiceReference.PurchaseOrder))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(DataTransfer.Client.CustomerServiceReference.Customer))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(int[]))] [System.Runtime.Serialization.KnownTypeAttribute(typeof(object[]))]

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  • DomainContext class is not created in a RIA services class library solution

    - by Konamiman
    I have created a RIA services class library project and things are not going as I expected. The problem is that when I add domain service classes to the server project, the corresponding domain context classes are not generated on the client project. I start by creating a new project of type WCF RIA services class library. The generated solution has two projects: RIAServicesLibrary1 (the Silverlight class library project) and RIAServicesLibrary1.Web (the class library that will hold the services). Then I add a new project item to RIAServicesLibrary1.Web of type DomainServiceClass. I add a sample method so that the resulting class code is: namespace RIAServicesLibrary1.Web { using System; using System.Collections.Generic; using System.ComponentModel; using System.ComponentModel.DataAnnotations; using System.Linq; using System.ServiceModel.DomainServices.Hosting; using System.ServiceModel.DomainServices.Server; // TODO: Create methods containing your application logic. [EnableClientAccess()] public class DomainService1 : DomainService { [Invoke] void DoSomething() { } } } Then I generate the whole solution and... nothing happens on the client project. The Generated_Code folder is empty, and the domain context object for the service is not here. Funny enough, if I add a new item of type Authentication domain service, it works as expected: the file RIAServicesLibrary1.Web.g.cs is created on the client project, containing the AuthenticationDomainService1 class as expected. So what's happening here? Am I doing something wrong? Note: I am using Visual Studio 2010 Ultimate RTM and WCF RIA services 1.0.

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  • Generic object to object mapping with parametrized constructor

    - by Rody van Sambeek
    I have a data access layer which returns an IDataRecord. I have a WCF service that serves DataContracts (dto's). These DataContracts are initiated by a parametrized constructor containing the IDataRecord as follows: [DataContract] public class DataContractItem { [DataMember] public int ID; [DataMember] public string Title; public DataContractItem(IDataRecord record) { this.ID = Convert.ToInt32(record["ID"]); this.Title = record["title"].ToString(); } } Unfortanately I can't change the DAL, so I'm obliged to work with the IDataRecord as input. But in generat this works very well. The mappings are pretty simple most of the time, sometimes they are a bit more complex, but no rocket science. However, now I'd like to be able to use generics to instantiate the different DataContracts to simplify the WCF service methods. I want to be able to do something like: public T DoSomething<T>(IDataRecord record) { ... return new T(record); } So I'd tried to following solutions: Use a generic typed interface with a constructor. doesn't work: ofcourse we can't define a constructor in an interface Use a static method to instantiate the DataContract and create a typed interface containing this static method. doesn't work: ofcourse we can't define a static method in an interface Use a generic typed interface containing the new() constraint doesn't work: new() constraint cannot contain a parameter (the IDataRecord) Using a factory object to perform the mapping based on the DataContract Type. does work, but: not very clean, because I now have a switch statement with all mappings in one file. I can't find a real clean solution for this. Can somebody shed a light on this for me? The project is too small for any complex mapping techniques and too large for a "switch-based" factory implementation.

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  • Strange Problem with Webservice and IIS

    - by Rene
    Hello there, I have a Problem which confuses me a little bit, resp. where I don't have any Idea about what it could be. The System I'm using is Windows Vista, IIS 7.0, VS2008, Windows Software Factory, Entity Framework, WCF. The Binding for all Webservices is wshttpbinding. I'm using a Webservice hosted in IIS. This Webservice uses/calls another Webservice (also installed in the IIS). If I use a client calling the first Webservice (which calls the second Webservice) it works fine for about 4-10 Times. And then (it is repeatable to get this Problem, but sometimes it happens after 4, sometimes after 10 Time, but it always will happen), the Service and the IIS gets stuck. Stuck means, that this Webservice isn't callable anymore and generates an timeout after 1 minute. Even increasing Timeout doesn't change anything. If i try to restart the IIS I get an timeout error. So the IIS is also "stuck" (it is not really stuck, but I can't restart it). Only if I kill the w3wp.exe IIS is restartable and the Webservice will work again (until i again call this service several times). The logfiles (i'm no expert in things like logging or where to find/enable such logs, so to say : i'm a newbie) like http-logging, Event Viewer or WCF-Message Logging don't show any hints upon the source of the problem. I don't have this problem when I'm using a Webservice which doesn't call another Service. Calling a Webservice is done by Service Reference (I'm using no Proxy-Classes), but I think this should be no Problem. I have no idea of what is happening, nor how to solve this Problem. Regards Rene

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