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http.prg
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If .F.
? "Creado por Pablo Pioli"
Endif
#include IFOX.H
#define INTERNET_DEFAULT_HTTP_PORT 80
#define INTERNET_DEFAULT_HTTPS_PORT 443
#define INTERNET_OPEN_TYPE_WINDOWSCONFIG 0
#define INTERNET_OPEN_TYPE_DIRECT 1
#define INTERNET_OPEN_TYPE_PROXY 3
#define INTERNET_SERVICE_HTTP 3
#define INTERNET_FLAG_RELOAD 2147483648
#define INTERNET_OPTION_PROXY_USERNAME 43
#define INTERNET_OPTION_PROXY_PASSWORD 44
#define INTERNET_FLAG_SECURE 0x00800000
#define INTERNET_OPTION_SECURITY_FLAGS 31
#define SECURITY_FLAG_IGNORE_CERT_DATE_INVALID 0x00002000
#define SECURITY_FLAG_IGNORE_CERT_CN_INVALID 0x00001000
#define SECURITY_FLAG_IGNORE_UNKNOWN_CA 0x00000100
#define SECURITY_FLAG_IGNORE_WRONG_USAGE 0x00000200
#define SECURITY_FLAG_IGNORE_REVOCATION 0x00000080
************************** HTTP CLASS **********************************
****************************************************************************
Define Class HTTP as iFox of iFox.PRG OlePublic
Protected FieldCount
Dimension PostFields[1, 3]
Protected Upload
Protected AsyncInetHandle
Protected AsyncURLHandle
Protected AsyncHTTPSession
Protected AsyncHTTPResult
Protected AsyncData
ConnectionType = INTERNET_OPEN_TYPE_WINDOWSCONFIG
ProxyServer = ""
ProxyUserName = ""
ProxyPassword = ""
TransferSize = 0
CompletedTransfer = 0
EOT = .F.
BatchSize = 16384
Response = ""
StatusCode = 0
ErrorNumber = 0
IgnoreSSLErrors = .F.
PostHeaders = ""
PostData = ""
***
* Function eInit
***
Function eInit()
* Declare WinInet Functions
Declare Integer InternetOpen in WinInet.DLL String, Integer, String, String, Integer
Declare Integer InternetCloseHandle in WinInet.DLL Integer
Declare Integer InternetOpenUrl in WinInet.DLL Integer, String, String, Integer, Integer, Integer
Declare Integer InternetReadFile in WinInet.DLL Integer, String @cBuffer, Integer nBuffer, Integer @nSizeRead
Declare Integer InternetWriteFile In WinInet.DLL Integer hFile, String @cBuffer, Integer lNumBytesToWrite, Integer @dwNumberOfBytesWritten
Declare Integer InternetConnect in WinInet.DLL Integer hIPHandle, String lpzServer, Integer dwPort, String lpzUserName, String lpzPassword, Integer dwServiceFlags, Integer dwReserved, Integer dwReserved
Declare Integer HttpOpenRequest In WinInet.DLL Integer hHTTPHandle, String lpzReqMethod, String lpzPage, String lpzVersion, String lpzReferer, String lpzAcceptTypes, Integer dwFlags, Integer dwContext
Declare Integer HttpAddRequestHeaders In WinInet.DLL Integer hHTTPHandle, String lpzHeaders, Integer cbHeaders, Integer Options
Declare Integer HttpSendRequest In WinInet.DLL Integer hHTTPHandle, String lpzHeaders, Integer cbHeaders, String lpzPost, Integer cbPost
Declare Integer HttpSendRequestEx In WinInet.DLL Integer hHTTPHandle, String BuffersIn, Integer BuffersOut, Integer dwFlags, Integer dwContext
Declare Integer HttpEndRequest In WinInet.DLL Integer hHTTPHandle, Integer BuffersOut, Integer dwFlags, Integer dwContext
Declare Integer HttpQueryInfo In WinInet.DLL Integer hHTTPHandle, Long dwInfoLevel, String @lpvBuffer, Long @lpdwBufferLength, Long @lpdwIndex
Declare Integer InternetQueryOption In WinInet.DLL Integer hInternet, Integer lOption, String @sBuffer, Long lBufferLength
Declare Integer GetLastError in Win32API
* Inicializar propiedades
this.FieldCount = 0
this.Upload = .F.
EndFunc
***
* Function Get
***
Function Get(cURL)
Local nInetHandle, nURLHandle, cHeader, cStatusCode, nResult, cBuffer, nSize, cRes
* Inicializar Variables
this.ErrorNumber = 0
this.StatusCode = 0
* Conectarse a los servicios de Internet
nInetHandle = InternetOpen("iFox", this.ConnectionType, this.ProxyServer, "", 0)
If nInetHandle == 0
this.ErrorNumber = GetLastError()
Return("")
Endif
* Abrir la URL
cHeader = "Accept: */*" + Chr(13) + Chr(13)
nURLHandle = InternetOpenUrl(nInetHandle, cURL, cHeader, Len(cHeader), ;
INTERNET_FLAG_RELOAD, 0)
If nURLHandle == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Establecer opciones de autenticacion con el proxy
If !this.SetProxyAuthentication(nURLHandle)
InternetCloseHandle(nURLHandle)
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Leer respuesta
cRes = ""
Do While .T.
cBuffer = Space(65536)
nSize = 65536
nResult = InternetReadFile(nURLHandle, @cBuffer, Len(cBuffer), @nSize)
If nResult == 0
Exit
else
If nSize == 0
Exit
else
cBuffer = IIF(nSize > 1, SubStr(cBuffer, 1, nSize), "")
cRes = cRes + cBuffer
Endif
Endif
Enddo
cStatusCode = Space(10)
HttpQueryInfo(nURLHandle, 19, @cStatusCode, Len(cStatusCode), 0)
this.StatusCode = Val(cStatusCode)
InternetCloseHandle(nURLHandle)
InternetCloseHandle(nInetHandle)
If nResult == 0
this.ErrorNumber = GetLastError()
Return("")
Endif
Return(cRes)
***
* Function SetProxyAuthentication
***
Function SetProxyAuthentication(nURLHandle)
Local cProxyUserName, cProxyPassword
cProxyUserName = this.ProxyUserName
cProxyPassword = this.ProxyPassword
If (!Empty(cProxyUserName))
Declare Integer InternetSetOption In WinInet.DLL Integer hInternet, Integer dwFlags, String @dwValue, Long cbSize
cProxyUserName = cProxyUserName + Chr(0)
If InternetSetOption(nURLHandle, INTERNET_OPTION_PROXY_USERNAME, @cProxyUserName, Len(cProxyUserName)) <> 1
this.ErrorNumber = GetLastError()
Return(.F.)
Endif
If !Empty(cProxyPassword)
cProxyPassword = cProxyPassword + Chr(0)
If InternetSetOption(nURLHandle, INTERNET_OPTION_PROXY_PASSWORD, @cProxyPassword, Len(cProxyPassword)) <> 1
this.ErrorNumber = GetLastError()
Return(.F.)
Endif
Endif
Endif
Return(.T.)
***
* Function StartAsyncGet
***
Function StartAsyncGet(cURL)
Local cHeader
* Inicializar Variables
this.ErrorNumber = 0
this.StatusCode = 0
this.AsyncURLHandle = 0
this.AsyncInetHandle = 0
* Conectarse a los servicios de Internet
this.AsyncInetHandle = InternetOpen("iFox", this.ConnectionType, this.ProxyServer, "", 0)
If this.AsyncInetHandle == 0
this.ErrorNumber = GetLastError()
Return(.F.)
Endif
* Abrir la URL
cHeader = "Accept: */*" + Chr(13) + Chr(13)
this.AsyncURLHandle = InternetOpenUrl(this.AsyncInetHandle, cURL, cHeader, Len(cHeader), ;
INTERNET_FLAG_RELOAD, 0)
If this.AsyncURLHandle == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
* Establecer opciones de autenticacion con el proxy
If !this.SetProxyAuthentication(this.AsyncURLHandle)
InternetCloseHandle(this.AsyncURLHandle)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
this.TransferSize = 0
this.CompletedTransfer = 0
this.Response = ""
this.EOT = .F.
Return(.T.)
***
* Function ContinueAsyncGet
***
Function ContinueAsyncGet()
Local cSize, cBuffer, nSize, nResult
If this.TransferSize == 0
cSize = Space(10)
If HttpQueryInfo(this.AsyncURLHandle, 5, @cSize, Len(cSize), 0) <> 0
this.TransferSize = Val(cSize)
Endif
Endif
If this.EOT
Return(.F.)
else
cBuffer = Space(this.BatchSize)
nSize = this.BatchSize
nResult = InternetReadFile(this.AsyncURLHandle, @cBuffer, Len(cBuffer), @nSize)
If nResult == 0
Return(.F.)
else
If nSize == 0
this.Response = ""
this.EOT = .T.
Return(.T.)
else
cBuffer = IIF(nSize > 1, SubStr(cBuffer, 1, nSize), "")
this.CompletedTransfer = this.CompletedTransfer + nSize
this.Response = cBuffer
Endif
Endif
Endif
Return(.T.)
***
* Function EndAsyncGet
***
Function EndAsyncGet()
Local cStatusCode
cStatusCode = Space(10)
HttpQueryInfo(this.AsyncURLHandle, 19, @cStatusCode, Len(cStatusCode), 0)
this.StatusCode = Val(cStatusCode)
InternetCloseHandle(this.AsyncURLHandle)
InternetCloseHandle(this.AsyncInetHandle)
EndFunc
***
* Function ClearPostFields
***
Function ClearPostFields()
this.FieldCount = 0
Dimension this.PostFields[1, 4]
this.Upload = .F.
EndFunc
***
* Function AddPostField
***
Function AddPostField(cField, cValue)
this.FieldCount = this.FieldCount + 1
Dimension this.PostFields[this.FieldCount, 4]
this.PostFields[this.FieldCount, 1] = 1
this.PostFields[this.FieldCount, 2] = cField
this.PostFields[this.FieldCount, 3] = cValue
this.PostFields[this.FieldCount, 4] = ""
EndFunc
***
* Function AddPostFile
***
Function AddPostFile(cField, cFile)
If !File(cFile)
Return(.F.)
Endif
this.FieldCount = this.FieldCount + 1
Dimension this.PostFields[this.FieldCount, 4]
this.PostFields[this.FieldCount, 1] = 2
this.PostFields[this.FieldCount, 2] = cField
this.PostFields[this.FieldCount, 3] = cFile
this.PostFields[this.FieldCount, 4] = ""
this.Upload = .T.
Return(.T.)
***
* Function AddPostFieldasFile
***
Function AddPostFieldasFile(cField, cValue, cFile)
this.FieldCount = this.FieldCount + 1
Dimension this.PostFields[this.FieldCount, 4]
this.PostFields[this.FieldCount, 1] = 3
this.PostFields[this.FieldCount, 2] = cField
this.PostFields[this.FieldCount, 3] = cValue
this.PostFields[this.FieldCount, 4] = cFile
this.Upload = .T.
Return(.T.)
***
* Function Post
***
Function Post(cServer, cURL, cUsername, cPassword, nPort, cVerb)
Local nPort, nInetHandle, nHTTPSession, nHTTPResult
Local cPostBuffer, cHeaders, cReadBuffer, nRetVal, nBytesRead, cRes
Local cBoundary, lFound, cStatusCode, nFlags
* Inicializar Variables
this.ErrorNumber = 0
this.StatusCode = 0
If Type("cUserName") <> "C"
cUserName = ""
Endif
If Type("cPassword") <> "C"
cPassword = ""
Endif
If Type("nPort") <> "N"
nPort = INTERNET_DEFAULT_HTTP_PORT
Endif
If Type("cVerb") <> "N"
cVerb = "POST"
Endif
* Inicializar los servicios de Internet
nInetHandle = InternetOpen("iFox", this.ConnectionType, this.ProxyServer, "", 0)
If nInetHandle == 0
this.ErrorNumber = GetLastError()
Return("")
Endif
* Establecer una sesion
nHTTPSession = InternetConnect(nInetHandle, cServer, nPort, ;
cUsername, cPassword, ;
INTERNET_SERVICE_HTTP, 0, 0)
If nHTTPSession == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Conectarse
nHTTPResult = HttpOpenRequest(nHTTPSession, cVerb, ;
cURL, NULL, NULL, NULL, ;
INTERNET_FLAG_RELOAD + IIF(nPort == 443, INTERNET_FLAG_SECURE, 0), 0)
If nHTTPResult == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Establecer opciones de autenticacion con el proxy
If !this.SetProxyAuthentication(nHTTPResult)
InternetCloseHandle(nHTTPResult)
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Establecer opciones de certificados SSL
If this.IgnoreSSLErrors
Declare Integer InternetSetOption In WinInet.DLL Integer hInternet, Integer dwFlags, Integer @dwValue, Integer cbSize
nFlags = SECURITY_FLAG_IGNORE_UNKNOWN_CA + ;
SECURITY_FLAG_IGNORE_CERT_DATE_INVALID + ;
SECURITY_FLAG_IGNORE_CERT_CN_INVALID + ;
SECURITY_FLAG_IGNORE_REVOCATION + ;
SECURITY_FLAG_IGNORE_WRONG_USAGE
If InternetSetOption(nHTTPResult, INTERNET_OPTION_SECURITY_FLAGS, @nFlags, 4) == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Return("")
Endif
Endif
* Preparar la informacion a enviar
cPostBuffer = ""
If !this.Upload
cHeaders = "Content-Type: application/x-www-form-urlencoded"
For nCont = 1 to this.FieldCount
cPostBuffer = cPostBuffer + this.PostFields[nCont, 2] + "=" + ;
this.URLEncode(this.PostFields[nCont, 3]) + "&"
Next
else
Do While .T.
lFound = .F.
cBoundary = this.TmpName(40)
For nCont = 1 to this.FieldCount
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 2])) <> 0
lFound = .T.
Endif
Do Case
Case this.PostFields[nCont, 1] == 1
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 2
If At(cBoundary, FiletoStr(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 3
If At(cBoundary, this.PostFields[nCont, 3]) <> 0
lFound = .T.
Endif
EndCase
Next
If !lFound
Exit
Endif
Enddo
cHeaders = "Content-Type: multipart/form-data; boundary=" + cBoundary + Chr(13) + Chr(10)
For nCont = 1 to this.FieldCount
cPostBuffer = cPostBuffer + "--" + cBoundary + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + 'Content-Disposition: form-data; name="' + this.PostFields[nCont, 2] + '";'
Do Case
Case this.PostFields[nCont, 1] == 1
cPostBuffer = cPostBuffer + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + this.URLEncode(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 2
cPostBuffer = cPostBuffer + ' filename="' + this.PostFields[nCont, 3] + '"' + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + FiletoStr(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 3
cPostBuffer = cPostBuffer + ' filename="' + this.PostFields[nCont, 4] + '"' + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + this.PostFields[nCont, 3] + Chr(13) + Chr(10)
EndCase
Next
cPostBuffer = cPostBuffer + "--" + cBoundary + "--" + Chr(13) + Chr(10)
Endif
* Enviar los datos
nRetval = HttpSendRequest(nHTTPResult, cHeaders, Len(cHeaders), ;
cPostBuffer, Len(cPostBuffer))
If nRetval = 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Return("")
Endif
* Leer el resultado
cRes = ""
Do While .T.
cReadBuffer = Space(65536)
nBytesRead = 0
nRetval = InternetReadFile(nHTTPResult, @cReadBuffer,;
Len(cReadBuffer), @nBytesRead)
If nRetVal == 0
Exit
else
If nBytesRead == 0
Exit
else
cReadBuffer = IIF(nBytesRead > 1, SubStr(cReadBuffer, 1, nBytesRead), "")
cRes = cRes + cReadBuffer
Endif
Endif
Enddo
cStatusCode = Space(10)
HttpQueryInfo(nHTTPResult, 19, @cStatusCode, Len(cStatusCode), 0)
this.StatusCode = Val(cStatusCode)
If nRetval = 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Return("")
else
InternetCloseHandle(nHTTPSession)
InternetCloseHandle(nInetHandle)
Endif
Return(cRes)
***
* Function StartAsyncPost
***
Function StartAsyncPost(cServer, cURL, cUsername, cPassword, nPort, cVerb)
Local nPort, cPostBuffer, cHeaders, cBoundary, lFound
* Inicializar Variables
this.ErrorNumber = 0
this.StatusCode = 0
this.AsyncHTTPSession = 0
this.AsyncInetHandle = 0
If Type("cUserName") <> "C"
cUserName = ""
Endif
If Type("cPassword") <> "C"
cPassword = ""
Endif
If Type("nPort") <> "N"
nPort = INTERNET_DEFAULT_HTTP_PORT
Endif
If Type("cVerb") <> "N"
cVerb = "POST"
Endif
* Inicializar los servicios de Internet
this.AsyncInetHandle = InternetOpen("iFox", this.ConnectionType, this.ProxyServer, "", 0)
If this.AsyncInetHandle == 0
this.ErrorNumber = GetLastError()
Return(.F.)
Endif
* Establecer una sesion
this.AsyncHTTPSession = InternetConnect(this.AsyncInetHandle, cServer, nPort, ;
cUsername, cPassword, ;
INTERNET_SERVICE_HTTP, 0, 0)
If this.AsyncHTTPSession == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
* Conectarse
this.AsyncHTTPResult = HttpOpenRequest(this.AsyncHTTPSession, cVerb, ;
cURL, NULL, NULL, NULL, ;
INTERNET_FLAG_RELOAD + IIF(nPort == 443, INTERNET_FLAG_SECURE, 0), 0)
If this.AsyncHTTPResult == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
* Establecer opciones de autenticacion con el proxy
If !this.SetProxyAuthentication(this.AsyncHTTPResult)
InternetCloseHandle(this.AsyncHTTPResult)
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
* Preparar la informacion a enviar
cPostBuffer = ""
If !this.Upload
cHeaders = "Content-Type: application/x-www-form-urlencoded"
For nCont = 1 to this.FieldCount
cPostBuffer = cPostBuffer + this.PostFields[nCont, 2] + "=" + ;
this.URLEncode(this.PostFields[nCont, 3]) + "&"
Next
else
Do While .T.
lFound = .F.
cBoundary = this.TmpName(40)
For nCont = 1 to this.FieldCount
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 2])) <> 0
lFound = .T.
Endif
Do Case
Case this.PostFields[nCont, 1] == 1
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 2
If At(cBoundary, FiletoStr(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 3
If At(cBoundary, this.PostFields[nCont, 3]) <> 0
lFound = .T.
Endif
EndCase
Next
If !lFound
Exit
Endif
Enddo
cHeaders = "Content-Type: multipart/form-data; boundary=" + cBoundary + Chr(13) + Chr(10)
For nCont = 1 to this.FieldCount
cPostBuffer = cPostBuffer + "--" + cBoundary + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + 'Content-Disposition: form-data; name="' + this.PostFields[nCont, 2] + '";'
Do Case
Case this.PostFields[nCont, 1] == 1
cPostBuffer = cPostBuffer + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + this.URLEncode(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 2
cPostBuffer = cPostBuffer + ' filename="' + this.PostFields[nCont, 3] + '"' + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + FiletoStr(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 3
cPostBuffer = cPostBuffer + ' filename="' + this.PostFields[nCont, 4] + '"' + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostBuffer = cPostBuffer + this.PostFields[nCont, 3] + Chr(13) + Chr(10)
EndCase
Next
cPostBuffer = cPostBuffer + "--" + cBoundary + "--" + Chr(13) + Chr(10)
Endif
* Enviar los datos
If HttpAddRequestHeaders(this.AsyncHTTPResult, @cHeaders, Len(cHeaders), 536870912) == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
cHeaders = "Content-Length: " + LTrim(Str(Len(cPostBuffer)))
If HttpAddRequestHeaders(this.AsyncHTTPResult, @cHeaders, Len(cHeaders), 536870912) == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
If HttpSendRequestEx(this.AsyncHTTPResult, NULL, 0, 0, 0) == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return(.F.)
Endif
this.AsyncData = cPostBuffer
this.TransferSize = Len(cPostBuffer)
this.CompletedTransfer = 0
this.EOT = .F.
Return(.T.)
***
* Function ContinueAsyncPost
***
Function ContinueAsyncPost()
Local cString, nRes
If Len(this.AsyncData) > 0
cString = Left(this.AsyncData, this.BatchSize)
this.AsyncData = Substr(this.AsyncData, this.BatchSize + 1)
nRes = 0
If InternetWriteFile(this.AsyncHTTPResult, @cString, Len(cString), @nRes) == 0
Return(.F.)
Endif
If nRes == Len(cString)
this.CompletedTransfer = this.CompletedTransfer + nRes
else
Return(.F.)
Endif
Endif
If Len(this.AsyncData) == 0
this.EOT = .T.
Endif
Return(.T.)
***
* Function EndAsyncPost
***
Function EndAsyncPost()
Local cRes, cReadBuffer, nBytesRead, nRetVal, cStatusCode
this.AsyncData = ""
If HttpEndRequest(this.AsyncHTTPResult, 0, 1, 0) == 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return("")
Endif
cRes = ""
Do While .T.
cReadBuffer = Space(65536)
nBytesRead = 0
nRetval = InternetReadFile(this.AsyncHTTPResult, @cReadBuffer,;
Len(cReadBuffer), @nBytesRead)
If nRetVal == 0
Exit
else
If nBytesRead == 0
Exit
else
cReadBuffer = IIF(nBytesRead > 1, SubStr(cReadBuffer, 1, nBytesRead), "")
cRes = cRes + cReadBuffer
Endif
Endif
Enddo
cStatusCode = Space(10)
HttpQueryInfo(this.AsyncHTTPResult, 19, @cStatusCode, Len(cStatusCode), 0)
this.StatusCode = Val(cStatusCode)
If nRetval = 0
this.ErrorNumber = GetLastError()
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Return("")
else
InternetCloseHandle(this.AsyncHTTPSession)
InternetCloseHandle(this.AsyncInetHandle)
Endif
Return(cRes)
***
* Function BuildPostData
***
Function BuildPostData()
Local cHeaders, cPostData
Local lFound, cBoundary, nCont
cPostData = ""
If !this.Upload
cHeaders = "Content-Type: application/x-www-form-urlencoded"
For nCont = 1 to this.FieldCount
cPostData = cPostData + this.PostFields[nCont, 2] + "=" + ;
this.URLEncode(this.PostFields[nCont, 3]) + "&"
Next
else
Do While .T.
lFound = .F.
cBoundary = this.TmpName(40)
For nCont = 1 to this.FieldCount
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 2])) <> 0
lFound = .T.
Endif
Do Case
Case this.PostFields[nCont, 1] == 1
If At(cBoundary, this.URLEncode(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 2
If At(cBoundary, FiletoStr(this.PostFields[nCont, 3])) <> 0
lFound = .T.
Endif
Case this.PostFields[nCont, 1] == 3
If At(cBoundary, this.PostFields[nCont, 3]) <> 0
lFound = .T.
Endif
EndCase
Next
If !lFound
Exit
Endif
Enddo
cHeaders = "Content-Type: multipart/form-data; boundary=" + cBoundary + Chr(13) + Chr(10)
For nCont = 1 to this.FieldCount
cPostData = cPostData + "--" + cBoundary + Chr(13) + Chr(10)
cPostData = cPostData + 'Content-Disposition: form-data; name="' + this.PostFields[nCont, 2] + '";'
Do Case
Case this.PostFields[nCont, 1] == 1
cPostData = cPostData + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostData = cPostData + this.URLEncode(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 2
cPostData = cPostData + ' filename="' + this.PostFields[nCont, 3] + '"' + Chr(13) + Chr(10)
cPostData = cPostData + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostData = cPostData + FiletoStr(this.PostFields[nCont, 3]) + Chr(13) + Chr(10)
Case this.PostFields[nCont, 1] == 3
cPostData = cPostData + ' filename="' + this.PostFields[nCont, 4] + '"' + Chr(13) + Chr(10)
cPostData = cPostData + "Content-Type: application/upload" + Chr(13) + Chr(10) + Chr(13) + Chr(10)
cPostData = cPostData + this.PostFields[nCont, 3] + Chr(13) + Chr(10)
EndCase
Next
cPostData = cPostData + "--" + cBoundary + "--" + Chr(13) + Chr(10)
Endif
this.PostHeaders = cHeaders
this.PostData = cPostData