8000 fix parseArgument by d-a-v · Pull Request #5230 · esp8266/Arduino · GitHub
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fix parseArgument #5230

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Closed
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fix parseArgument #5230

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4787753
fix parseArgument
d-a-v Oct 11, 2018
454a065
Merge branch 'master' into parserequest
earlephilhower Oct 11, 2018
aa4dac9
remove recursion
d-a-v Oct 11, 2018
db0cd7d
keep variable naming style consistent
d-a-v Oct 11, 2018
ac47a03
inviting Alexa
d-a-v Oct 11, 2018
fa4cc7a
Merge branch 'master' into parserequest
d-a-v Oct 11, 2018
bdf2ace
fix alexa fix (well, trying...)
d-a-v Oct 12, 2018
1ba0cfc
fix pos substrings
reloxx13 Oct 13, 2018
1bc93d8
Merge branch 'master' into parserequest
d-a-v Oct 13, 2018
0d62a41
alexa invite: add workaround for malformed x-www-form-urlencoded
d-a-v Oct 13, 2018
8be9539
Merge pull request #1 from reloxx13/patch-2
d-a-v Oct 13, 2018
f7b3aef
Merge branch 'parserequest' of github.com:d-a-v/Arduino into parsereq…
d-a-v Oct 13, 2018
cf2299f
when !form, alway add content in key "plain"
d-a-v Oct 14, 2018
9d1e411
fix memleak
d-a-v Oct 16, 2018
8abf98d
+simplify +readability
d-a-v Oct 16, 2018
00694bb
Merge branch 'master' into parserequest
d-a-v Oct 17, 2018
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when !form, alway add content in key "plain"
  • Loading branch information
@d-a-v
d-a-v committed Oct 14, 2018
commit cf2299fab1813488fd2c8a8ae82621f94639e559
145 changes: 69 additions & 76 deletions libraries/ESP8266WebServer/src/Parsing.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
String headerName;
String headerValue;
bool isForm = false;
bool isEncoded = false;
//bool isEncoded = false;
uint32_t contentLength = 0;
//parse headers
while(1){
Expand Down Expand Up @@ -168,7 +168,7 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
isForm = false;
} else if (headerValue.startsWith(F("application/x-www-form-urlencoded"))){
isForm = false;
isEncoded = true;
//isEncoded = true;
} else if (headerValue.startsWith(F("multipart/"))){
boundaryStr = headerValue.substring(headerValue.indexOf('=') + 1);
boundaryStr.replace("\"","");
Expand All @@ -181,47 +181,34 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
}
}

if (!isForm){
size_t plainLength;
char* plainBuf = readBytesWithTimeout(client, contentLength, plainLength, HTTP_MAX_POST_WAIT);
if (plainLength < contentLength) {
free(plainBuf);
return false;
}
if (contentLength > 0) {
if(isEncoded){
//url encoded form
if (searchStr.length())
searchStr += '&';
else
// workaround: x-www-form-urlencoded without data
searchStr = F("plain=");
searchStr += plainBuf;
}
_parseArguments(searchStr);
if (!isEncoded) {
//plain post json or other data
RequestArgument& arg = _currentArgs[_currentArgCount++];
arg.key = F("plain");
arg.value = String(plainBuf);
// always parse url for key/value pairs
_parseArguments(searchStr);

if (!isForm) {
if (contentLength) {

// add key=value: plain={body} (post json or other data)

size_t plainLength;
char* plainBuf = readBytesWithTimeout(client, contentLength, plainLength, HTTP_MAX_POST_WAIT);
if (plainLength < contentLength) {
free(plainBuf);
return false;
}

#ifdef DEBUG_ESP_HTTP_SERVER
DEBUG_OUTPUT.print("Plain: ");
DEBUG_OUTPUT.println(plainBuf);
#endif
RequestArgument& arg = _currentArgs[_currentArgCount++];
arg.key = F("plain");
arg.value = String(plainBuf);

free(plainBuf);
} else {
// No content - but we can still have arguments in the URL.
_parseArguments(searchStr);

}
}
} else { // isForm is true

if (isForm){
_parseArguments(searchStr);
if (!_parseForm(client, boundaryStr, contentLength)) {
return false;
}

}
} else {
String headerName;
Expand All @@ -239,14 +226,14 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
headerValue = req.substring(headerDiv + 2);
_collectHeader(headerName.c_str(),headerValue.c_str());

#ifdef DEBUG_ESP_HTTP_SERVER
DEBUG_OUTPUT.print("headerName: ");
DEBUG_OUTPUT.println(headerName);
DEBUG_OUTPUT.print("headerValue: ");
DEBUG_OUTPUT.println(headerValue);
#endif
#ifdef DEBUG_ESP_HTTP_SERVER
DEBUG_OUTPUT.print(F("headerName: "));
DEBUG_OUTPUT.println(headerName);
DEBUG_OUTPUT.print(F("headerValue: "));
DEBUG_OUTPUT.println(headerValue);
#endif

if (headerName.equalsIgnoreCase("Host")){
if (headerName.equalsIgnoreCase("Host")){
_hostHeader = headerValue;
}
}
Expand All @@ -255,10 +242,16 @@ bool ESP8266WebServer::_parseRequest(WiFiClient& client) {
client.flush();

#ifdef DEBUG_ESP_HTTP_SERVER
DEBUG_OUTPUT.print("Request: ");
DEBUG_OUTPUT.print(F("Request: "));
DEBUG_OUTPUT.println(url);
DEBUG_OUTPUT.print(" Arguments: ");
DEBUG_OUTPUT.print(F("Arguments: "));
DEBUG_OUTPUT.println(searchStr);

DEBUG_OUTPUT.println(F("final list of key/value pairs:"));
for (int i = 0; i < _currentArgCount; i++)
DEBUG_OUTPUT.printf(" key:'%s' value:'%s'\r\n",
_currentArgs[i].key.c_str(),
_currentArgs[i].value.c_str());
#endif

return true;
Expand Down Expand Up @@ -292,11 +285,12 @@ int ESP8266WebServer::_parseArgumentsPrivate(const String& data, int counted) {
if (_currentArgs)
delete[] _currentArgs;
_currentArgs = 0;

// allocate one more, this is needed (search "plainBuf" in this file)
_currentArgs = new RequestArgument[(_currentArgCount = counted) + 1];
}

// allocate one more (even if counted==0)
// this is needed because {"plain": plainBuf} is always added
_currentArgs = new RequestArgument[(_currentArgCount = counted) + 1];

size_t pos = 0;
int arg_total = 0;

Expand All @@ -320,9 +314,8 @@ int ESP8266WebServer::_parseArgumentsPrivate(const String& data, int counted) {
key_end_pos = data.length();

// handle key/value
if ( (int)pos <= key_end_pos) {
if ((int)pos < key_end_pos) {
// do not store or count empty ending key ("url?x=y;")

if (counted > 0) {
RequestArgument& arg = _currentArgs[arg_total];
arg.key = urlDecode(data.substring(pos, key_end_pos));
Expand Down Expand Up @@ -586,33 +579,33 @@ bool ESP8266WebServer::_parseForm(WiFiClient& client, String boundary, uint32_t

String ESP8266WebServer::urlDecode(const String& text)
{
String decoded = "";
char temp[] = "0x00";
unsigned int len = text.length();
unsigned int i = 0;
while (i < len)
{
char decodedChar;
char encodedChar = text.charAt(i++);
if ((encodedChar == '%') && (i + 1 < len))
{
temp[2] = text.charAt(i++);
temp[3] = text.charAt(i++);

decodedChar = strtol(temp, NULL, 16);
}
else {
if (encodedChar == '+')
{
decodedChar = ' ';
}
else {
decodedChar = encodedChar; // normal ascii char
}
}
decoded += decodedChar;
}
return decoded;
String decoded = "";
char temp[] = "0x00";
unsigned int len = text.length();
unsigned int i = 0;
while (i < len)
{
char decodedChar;
char encodedChar = text.charAt(i++);
if ((encodedChar == '%') && (i + 1 < len))
{
temp[2] = text.charAt(i++);
temp[3] = text.charAt(i++);

decodedChar = strtol(temp, NULL, 16);
}
else {
if (encodedChar == '+')
{
decodedChar = ' ';
}
else {
decodedChar = encodedChar; // normal ascii char
}
}
decoded += decodedChar;
}
return decoded;
}

bool ESP8266WebServer::_parseFormUploadAborted(){
Expand Down
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