1 /* |
|
2 * Copyright (c) 2004-2006 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Implementation of PnPMS components |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 // INCLUDE FILES |
|
20 #include <e32svr.h> |
|
21 #include "NHeadWrapperParser.h" |
|
22 #include "NHwrParserLogger.h" |
|
23 #include "HttpProvHeaders.h" |
|
24 #include "HttpProvContent.h" |
|
25 #include "HttpProvContentType.h" |
|
26 #include "SupportedContentTypes.h" |
|
27 |
|
28 // ============================ MEMBER FUNCTIONS =============================== |
|
29 |
|
30 // ----------------------------------------------------------------------------- |
|
31 // CNHeadWrapperParser::CNHeadWrapperParser |
|
32 // C++ default constructor can NOT contain any code, that |
|
33 // might leave. |
|
34 // ----------------------------------------------------------------------------- |
|
35 // |
|
36 CNHeadWrapperParser::CNHeadWrapperParser() |
|
37 { |
|
38 } |
|
39 |
|
40 // Destructor |
|
41 EXPORT_C CNHeadWrapperParser::~CNHeadWrapperParser() |
|
42 { |
|
43 LOGSTRING("~CNHeadWrapperParser"); |
|
44 delete iHttpProvHeaders; |
|
45 delete iHttpProvContentType; |
|
46 LOGSTRING("~CNHeadWrapperParser - done"); |
|
47 } |
|
48 |
|
49 // ----------------------------------------------------------------------------- |
|
50 // CNHeadWrapperParser::NewL |
|
51 // Two-phased constructor. |
|
52 // ----------------------------------------------------------------------------- |
|
53 // |
|
54 EXPORT_C CNHeadWrapperParser* CNHeadWrapperParser::NewL(const TPtrC8& aWrapperData) |
|
55 { |
|
56 CNHeadWrapperParser* self = new (ELeave) CNHeadWrapperParser; |
|
57 CleanupStack::PushL( self ); |
|
58 self->ConstructL( aWrapperData ); |
|
59 CleanupStack::Pop( self ); |
|
60 return self; |
|
61 } |
|
62 |
|
63 // ----------------------------------------------------------------------------- |
|
64 // CNHeadWrapperParser::ConstructL |
|
65 // Symbian 2nd phase constructor can leave. |
|
66 // ----------------------------------------------------------------------------- |
|
67 // |
|
68 void CNHeadWrapperParser::ConstructL( const TPtrC8& aWrapperData ) |
|
69 { |
|
70 iWrapperData.Set( aWrapperData ); |
|
71 } |
|
72 |
|
73 // ----------------------------------------------------------------------------- |
|
74 // CNHeadWrapperParser::ParseL |
|
75 // ----------------------------------------------------------------------------- |
|
76 // |
|
77 EXPORT_C THttpProvStates::TProvisioningStatus CNHeadWrapperParser::Parse() |
|
78 { |
|
79 LOGSTRING("CNHeadWrapperParser::Parse - begin"); |
|
80 TRAPD( err, DoParseL() ); |
|
81 if( err != KErrNone ) |
|
82 { |
|
83 LOGSTRING("CNHeadWrapperParser::Parse ret: EStatusWrapperParsingFailed"); |
|
84 return THttpProvStates::EStatusWrapperParsingFailed; // Do not continue |
|
85 } |
|
86 |
|
87 TRAP( err, CheckHeadWrapperL() ); |
|
88 |
|
89 // CheckHeadWrapperL might leave with one of TProvisioningStatus codes |
|
90 // or with standard error codes |
|
91 if( err < 0 ) // standar error codes |
|
92 { |
|
93 LOGSTRING("CNHeadWrapperParser::Parse ret: EStatusWrapperParsingFailed"); |
|
94 return THttpProvStates::EStatusWrapperParsingFailed; |
|
95 } |
|
96 else // one of TProvisioningStatus |
|
97 { |
|
98 LOGSTRING2("CNHeadWrapperParser::Parse ret: %d", err); |
|
99 return (THttpProvStates::TProvisioningStatus) err; |
|
100 } |
|
101 } |
|
102 |
|
103 // ----------------------------------------------------------------------------- |
|
104 // CNHeadWrapperParser::DoParseL |
|
105 // ----------------------------------------------------------------------------- |
|
106 // |
|
107 void CNHeadWrapperParser::DoParseL() |
|
108 { |
|
109 LOGSTRING( "CNHeadWrapperParser::DoParseL - begin" ); |
|
110 LOGSTRING( "Check wrapper length " ); |
|
111 // Check wrapper length min 6 bytes |
|
112 if( iWrapperData.Length() < 6 ) |
|
113 { |
|
114 User::Leave( KErrCorrupt ); |
|
115 } |
|
116 |
|
117 LOGSTRING( "Check signature" ); |
|
118 // Check signature |
|
119 _LIT8( KHeadWrapperSignature, "NHWR" ); |
|
120 if( iWrapperData.Left(4).Compare( KHeadWrapperSignature ) != 0 ) |
|
121 { |
|
122 User::Leave( KErrCorrupt ); |
|
123 } |
|
124 |
|
125 // Parse version |
|
126 TUint8 version = (iWrapperData)[4]; |
|
127 if( version != 1 ) |
|
128 { |
|
129 User::Leave( KErrNotSupported ); |
|
130 } |
|
131 |
|
132 LOGSTRING( "Parse content type" ); |
|
133 // Parse content type |
|
134 TUint8 contentTypeLen = (iWrapperData)[5]; |
|
135 LOGSTRING2( "content type len: %i", contentTypeLen ); |
|
136 |
|
137 if( iWrapperData.Length() < 6 + contentTypeLen ) |
|
138 { |
|
139 User::Leave( KErrCorrupt ); |
|
140 } |
|
141 |
|
142 if( contentTypeLen < 1 ) |
|
143 { |
|
144 User::Leave( KErrCorrupt ); |
|
145 } |
|
146 |
|
147 iContentTypeField.Set( iWrapperData.Mid( 6, contentTypeLen ) ); |
|
148 |
|
149 // Parse Headers and Content Length |
|
150 LOGSTRING( "Parse headers and data length" ); |
|
151 if( iWrapperData.Length() < 6+contentTypeLen+2 ) // +2 min for length datas |
|
152 { |
|
153 User::Leave( KErrCorrupt ); |
|
154 } |
|
155 TUint32 headersLen = 0; //(*iWrapperData)[6+contentTypeLen+1]; |
|
156 TUint32 contentLen = 0; //(*iWrapperData)[6+contentTypeLen+2]; |
|
157 TUint headersVarLen = 0; |
|
158 TUint contentVarLen = 0; |
|
159 |
|
160 if( ParseUintVar( iWrapperData.Mid( 6+contentTypeLen ), |
|
161 headersLen, headersVarLen ) != KErrNone ) |
|
162 { |
|
163 User::Leave( KErrCorrupt ); |
|
164 } |
|
165 LOGSTRING2( "headersLen %i", headersLen ); |
|
166 LOGSTRING2( "headersVarLen %i", headersLen ); |
|
167 |
|
168 if( ParseUintVar( iWrapperData.Mid( 6+contentTypeLen+headersVarLen ), |
|
169 contentLen, contentVarLen ) != KErrNone ) |
|
170 { |
|
171 LOGSTRING( "content length failed" ); |
|
172 User::Leave( KErrCorrupt ); |
|
173 } |
|
174 LOGSTRING2( "contentLen %i", contentLen ); |
|
175 LOGSTRING2( "contentVarLen %i", contentVarLen ); |
|
176 |
|
177 // Final check for sizes |
|
178 if( iWrapperData.Length() != (TInt)( 6+contentTypeLen+headersVarLen |
|
179 +contentVarLen+headersLen+contentLen ) ) |
|
180 { |
|
181 LOGSTRING( "Lengths do not match" ); |
|
182 LOGSTRING2( "Expected length %i", (TInt)( 6+contentTypeLen+headersVarLen |
|
183 +contentVarLen+headersLen+contentLen ) ); |
|
184 LOGSTRING2( "Actual data length %i", iWrapperData.Length() ); |
|
185 User::Leave( KErrCorrupt ); |
|
186 } |
|
187 |
|
188 if( headersLen > 0 ) |
|
189 { |
|
190 iHeaders.Set( iWrapperData.Mid( 6+contentTypeLen+headersVarLen |
|
191 +contentVarLen, headersLen ) ); |
|
192 } |
|
193 |
|
194 LOGSTRING( "Parse content" ); |
|
195 iContent.Set( iWrapperData.Mid( 6+contentTypeLen+headersVarLen+contentVarLen+headersLen,contentLen ) ); |
|
196 |
|
197 // Log |
|
198 #ifdef _DEBUG |
|
199 TInt i(0); |
|
200 LOGSTRING( "Content type:" ); |
|
201 for( i = 0; i < iContentTypeField.Length(); i += 128 ) |
|
202 { |
|
203 TPtrC8 logText = iContentTypeField.Right( iContentTypeField.Length() - i ); |
|
204 LOGTEXT( logText ); |
|
205 } |
|
206 |
|
207 if( iHeaders.Length() ) |
|
208 { |
|
209 LOGSTRING( "Headers:" ); |
|
210 for( i = 0; i < iHeaders.Length(); i += 128 ) |
|
211 { |
|
212 TPtrC8 logText = iHeaders.Right( iHeaders.Length() - i ); |
|
213 LOGTEXT( logText ); |
|
214 } |
|
215 } |
|
216 |
|
217 LOGSTRING( "Content:" ); |
|
218 for( i = 0; i < iContent.Length(); i += 128 ) |
|
219 { |
|
220 TPtrC8 logText = iContent.Right( iContent.Length() - i ); |
|
221 LOGTEXT( logText ); |
|
222 } |
|
223 #endif |
|
224 LOGSTRING( "CNHeadWrapperParser::DoParseL - end" ); |
|
225 } |
|
226 |
|
227 // ----------------------------------------------------------------------------- |
|
228 // CNHeadWrapperParser::CheckHeadWrapperL |
|
229 // ----------------------------------------------------------------------------- |
|
230 // |
|
231 void CNHeadWrapperParser::CheckHeadWrapperL() |
|
232 { |
|
233 LOGSTRING( "CNHeadWrapperParser::CheckHeadWrapperL()" ); |
|
234 LOGSTRING( "Get content type" ); |
|
235 if( iContentTypeField.Length() < 1 ) |
|
236 { |
|
237 User::Leave( THttpProvStates::EStatusWrapperParsingFailed ); |
|
238 } |
|
239 |
|
240 LOGSTRING( "Create CHttpProvContentType" ); |
|
241 if( iHttpProvContentType ) |
|
242 { |
|
243 delete iHttpProvContentType; |
|
244 iHttpProvContentType = 0; |
|
245 } |
|
246 TRAPD( err, iHttpProvContentType = CHttpProvContentType::NewL( iContentTypeField ) ); |
|
247 LOGSTRING( "Create CHttpProvContentType 2" ); |
|
248 if( err != KErrNone ) |
|
249 { |
|
250 LOGSTRING2( "Content type, create failed: %i", err ); |
|
251 User::Leave( THttpProvStates::EStatusWrapperParsingFailed ); |
|
252 } |
|
253 |
|
254 LOGSTRING( "Get headers" ); |
|
255 if( iHeaders.Length() < 1 ) |
|
256 { |
|
257 LOGSTRING( "no headers" ); |
|
258 // Plug and Play Mobile Services Specification.doc: |
|
259 // "The Headers field MAY contain headers defining additional |
|
260 // Meta data about the content" |
|
261 // if there is no headers in the wrapper we will just leave, |
|
262 // we do not want to open any unauthorized content: |
|
263 User::Leave( THttpProvStates::EStatusWrapperParsingFailed ); |
|
264 } |
|
265 |
|
266 delete iHttpProvHeaders; |
|
267 iHttpProvHeaders = 0; |
|
268 iHttpProvHeaders = CHttpProvHeaders::NewL( iHeaders ); |
|
269 |
|
270 LOGSTRING( "Get wrapper content" ); |
|
271 if( iContent.Length() < 1 ) |
|
272 { |
|
273 User::Leave( THttpProvStates::EStatusWrapperParsingFailed ); |
|
274 } |
|
275 |
|
276 CHttpProvContent* c = CHttpProvContent::NewLC( iContent ); |
|
277 |
|
278 TInt res( KErrNone ); |
|
279 TRAP( err, res = c->AuthenticateL( *iHttpProvHeaders, *iHttpProvContentType ) ); |
|
280 if( res == KHttpProvAuthResultTokenExpired ) |
|
281 { |
|
282 User::Leave( THttpProvStates::EStatusTokenExpired ); |
|
283 } |
|
284 else if( res!=KHttpProvAuthResultAuthenticated || err != KErrNone ) |
|
285 { |
|
286 LOGSTRING2("AuthenticationFailed, res: %i", res ); |
|
287 LOGSTRING2("err: %i", err ); |
|
288 User::Leave( THttpProvStates::EStatusSignatureFailed ); |
|
289 } |
|
290 |
|
291 CleanupStack::PopAndDestroy(c); |
|
292 LOGSTRING( "CNHeadWrapperParser::CheckHeadWrapperL() - done" ); |
|
293 } |
|
294 |
|
295 // ----------------------------------------------------------------------------- |
|
296 // CNHeadWrapperParser::ParseUintVar |
|
297 // ----------------------------------------------------------------------------- |
|
298 // |
|
299 TInt CNHeadWrapperParser::ParseUintVar(const TDesC8& aVarDes, TUint32& aVar, TUint &aVarLength) |
|
300 { |
|
301 TUint32 finalValue = 0; |
|
302 TInt i; |
|
303 for(i=0; i<5; i++) |
|
304 { |
|
305 if(aVarDes.Length()<=i) |
|
306 { |
|
307 return KErrCorrupt; |
|
308 } |
|
309 |
|
310 TUint8 val = aVarDes[i]; |
|
311 finalValue <<= 7; |
|
312 finalValue |= (((TUint32)val)&0x7F); |
|
313 if( !(val&0x80 ) ) |
|
314 { |
|
315 break; |
|
316 } |
|
317 } |
|
318 |
|
319 if(i==5) |
|
320 { |
|
321 return KErrCorrupt; |
|
322 } |
|
323 else |
|
324 { |
|
325 aVar = finalValue; |
|
326 aVarLength = i+1; |
|
327 return KErrNone; |
|
328 } |
|
329 } |
|
330 |
|
331 // ----------------------------------------------------------------------------- |
|
332 // CNHeadWrapperParser::GetHeaders |
|
333 // ----------------------------------------------------------------------------- |
|
334 // |
|
335 EXPORT_C const TDesC8& CNHeadWrapperParser::GetHeadersL() const |
|
336 { |
|
337 if( iHeaders.Length() < 1 ) |
|
338 { |
|
339 User::Leave( KErrNotFound ); |
|
340 } |
|
341 return iHeaders; |
|
342 } |
|
343 |
|
344 |
|
345 // ----------------------------------------------------------------------------- |
|
346 // CNHeadWrapperParser::GetContentType |
|
347 // ----------------------------------------------------------------------------- |
|
348 // |
|
349 EXPORT_C const TDesC8& CNHeadWrapperParser::GetContentTypeL() const |
|
350 { |
|
351 if( !iHttpProvContentType ) |
|
352 { |
|
353 User::Leave( KErrNotFound ); |
|
354 } |
|
355 return iHttpProvContentType->ContentTypeL(); |
|
356 } |
|
357 |
|
358 // ----------------------------------------------------------------------------- |
|
359 // CNHeadWrapperParser::GetContent |
|
360 // ----------------------------------------------------------------------------- |
|
361 // |
|
362 EXPORT_C const TDesC8& CNHeadWrapperParser::GetContentL() const |
|
363 { |
|
364 if( iContent.Length() < 1 ) |
|
365 { |
|
366 User::Leave( KErrNotFound ); |
|
367 } |
|
368 return iContent; |
|
369 } |
|
370 |
|
371 // ----------------------------------------------------------------------------- |
|
372 // CNHeadWrapperParser::GetReportUrlL |
|
373 // ----------------------------------------------------------------------------- |
|
374 // |
|
375 EXPORT_C const TDesC8& CNHeadWrapperParser::GetReportUrlL() const |
|
376 { |
|
377 if( !iHttpProvHeaders ) |
|
378 { |
|
379 User::Leave( KErrNotFound ); |
|
380 } |
|
381 return iHttpProvHeaders->GetParamValL( KReportUrl ); |
|
382 } |
|
383 |
|
384 // ----------------------------------------------------------------------------- |
|
385 // CNHeadWrapperParser::GetProvisioningActivation |
|
386 // ----------------------------------------------------------------------------- |
|
387 // |
|
388 EXPORT_C TProvisioningActivation CNHeadWrapperParser::GetProvisioningActivation() const |
|
389 { |
|
390 // The default value is "User selects" |
|
391 TProvisioningActivation value( EProvisioningActivationUser ); |
|
392 |
|
393 if( !iHttpProvHeaders ) |
|
394 { |
|
395 return value; |
|
396 } |
|
397 |
|
398 TInt err( KErrNone ); |
|
399 TPtrC8 descValue( KNullDesC8 ); |
|
400 TRAP( err, descValue.Set( iHttpProvHeaders->GetParamValL( KProvisioningActivation ) ) ); |
|
401 if( err != KErrNone ) |
|
402 { |
|
403 return value; |
|
404 } |
|
405 |
|
406 TInt intValue(0); |
|
407 TLex8 parser( descValue ); |
|
408 err = parser.Val( intValue ); |
|
409 |
|
410 // ignore illegal values |
|
411 if( err != KErrNone ) |
|
412 { |
|
413 return value; |
|
414 } |
|
415 |
|
416 if( intValue < EProvisioningActivationUser || intValue > EProvisioningActivationOff ) |
|
417 { |
|
418 return value; |
|
419 } |
|
420 |
|
421 // cast |
|
422 value = (TProvisioningActivation) intValue; |
|
423 return value; |
|
424 } |
|
425 |
|
426 // ----------------------------------------------------------------------------- |
|
427 // CNHeadWrapperParser::GetUserInteraction |
|
428 // ----------------------------------------------------------------------------- |
|
429 // |
|
430 EXPORT_C TBool CNHeadWrapperParser::GetUserInteraction() const |
|
431 { |
|
432 // The default value is EFalse |
|
433 TBool value( EFalse ); |
|
434 |
|
435 if( !iHttpProvHeaders ) |
|
436 { |
|
437 return value; |
|
438 } |
|
439 |
|
440 TInt err( KErrNone ); |
|
441 TRAP( err, value = GetBoolParamValueL( KUserInteraction ) ); |
|
442 return value; |
|
443 } |
|
444 |
|
445 // ----------------------------------------------------------------------------- |
|
446 // CNHeadWrapperParser::GetBoolParamValueL |
|
447 // ----------------------------------------------------------------------------- |
|
448 // |
|
449 TBool CNHeadWrapperParser::GetBoolParamValueL( const TDesC8& aParam ) const |
|
450 { |
|
451 LOGSTRING("CNHeadWrapperParser::GetBoolParamValueL"); |
|
452 LOGTEXT( aParam ); |
|
453 const TDesC8& paramVal = iHttpProvHeaders->GetParamValL( aParam ); |
|
454 LOGTEXT( paramVal ); |
|
455 if( paramVal.Compare( KStringValueTrue ) == 0 ) |
|
456 { |
|
457 return ETrue; |
|
458 } |
|
459 return EFalse; |
|
460 } |
|
461 |
|
462 // End of File |
|