Uploading Document into Content Server 10.5

Hi,

I am currently developing an application to upload document into Content Server 10.5 using REST API written in ASP.NET WebAPI. I am relatively new to REST API.

I am consuming the API using HTTPClient and I am stuck at the part in passing the parameters where I keep getting "400 Bad Request" error.

Can anyone enlighten me on the using the API to upload the document using .NET languages?

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Comments

Kevin_Mark

Hi, first of all (independent of using .NET), could you open up Chrome browser, look for the Chrome app called 'Advanced Rest Client' and install it. After that, make the following call:

POST http://{your server}/api/v1/auth
username={your admin username}
password={your admin password}

This gives you a ticket that you can use to authenticate the next call. Set a header called 'OTCSTICKET', give it the value of that ticket, then make the following call:

POST http://{your server}/api/v1/nodes
name=SomeDocumentName
type=144
parent_id={id of the parent}
file={click the files tab, change 'fileUpload' to 'file', select a file}

That should create a document for you, using the REST API of content server.

From there, assuming that it worked for you, you should be able to look and see what you did in Advanced Rest Client, and figure out the parameters. You can then make use of HTTPClient's 'PostAsync' function.

http://stackoverflow.com/questions/10339877/asp-net-webapi-how-to-perform-a-multipart-post-with-file-upload-using-webapi-ht

Chih_Yeh_Ong

Hi Kevin, thanks for your advise. After much tries it works for me and I had passed the parameters over to the CS REST API accordingly. I received a code 200 status but I does not see the node ID been returned and the document was not uploaded.

My codes are to add in the parameters and upload the document are as follows

    Dim content As New MultipartFormDataContent

    Dim filecontent As New ByteArrayContent(System.IO.File.ReadAllBytes(file.PostedFile.FileName))
    filecontent.Headers.ContentDisposition = New Headers.ContentDispositionHeaderValue("attachment")
    filecontent.Headers.ContentDisposition.FileName = "'" + file.PostedFile.FileName.ToString + "'"
    Dim querystring As NameValueCollection = System.Web.HttpUtility.ParseQueryString(String.Empty)
    querystring("type") = 144
    querystring("parent_id") = 2000
    querystring("name") = "afilename"

    Response.Write(querystring.ToString)
    content.Add(New StringContent(querystring.ToString))
    content.Add(filecontent)
    Dim resp As HttpResponseMessage = Await nodeclient.PostAsync("api/v1/nodes", content)
    Dim nodestring As String = Await resp.Content.ReadAsStringAsync

Originally, I have added the file parameter with the filename bit the same result occurs. Hope some one can enlighten me on where I have made a mistake.

Kevin_Mark

You'd need to put the type, parent_id and name in form data. This is what it looks like on my server (look down at request payload). This is output captured in chrome using the network inspector tab (hit F12), when it is run from Advanced Rest Client.

Remote Address:[::1]:80
Request URL:http://localhost/bravo/livelink.exe/api/v1/nodes
Request Method:POST
Status Code:200 OK
Request Headersview source
Accept:/
Accept-Encoding:gzip, deflate
Accept-Language:en-US,en;q=0.8
Connection:keep-alive
Content-Length:20964
Content-Type:multipart/form-data; boundary=----WebKitFormBoundary8XkUjIg2GYzAKrqO
Cookie:LLTZCookie=0
Host:localhost
Origin:chrome-extension://hgmloofddffdnphfgcellkdfbfbjeloo
OTCSTICKET:smc22aq+ZHQ4BoPu55W+37VVj85iV9cpTZhbGDFCB0M=
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.65 Safari/537.36
Request Payload
------WebKitFormBoundary8XkUjIg2GYzAKrqO
Content-Disposition: form-data; name="type"

144
------WebKitFormBoundary8XkUjIg2GYzAKrqO
Content-Disposition: form-data; name="parent_id"

2000
------WebKitFormBoundary8XkUjIg2GYzAKrqO
Content-Disposition: form-data; name="name"

_aaa
------WebKitFormBoundary8XkUjIg2GYzAKrqO
Content-Disposition: form-data; name="file"; filename="australie.doc"
Content-Type: application/msword

------WebKitFormBoundary8XkUjIg2GYzAKrqO--

Chih_Yeh_Ong

Hi, to update, I have added the fields into the form data ( i went to the extend of creating the UI in my ASPX page)but I still does not get the node ID, neither the information and document are found in CS. This is very puzzling.

I had done a trace using fiddler, the result is similar to yours. The only difference is that the document type for the file for mine is application/octect-stream instead of msword when I uploaded a Word document, I am using cs.exe/api/v1/nodes as the url instead and I added the full path and file name under "filename" parameter.

When I post the information in the Chrome REST client it's perfectly OK.

Hope some gurus out there can have some idea on what went wrong.