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escape html chars in fetched lyrics properly

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This commit is contained in:
unK
2008-09-14 19:41:33 +02:00
parent 80c067924e
commit 0664f9ed2b
2 changed files with 18 additions and 20 deletions
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37
src/lyrics.cpp
View File

@@ -34,6 +34,21 @@ size_t write_data(char *buffer, size_t size, size_t nmemb, string data)
return result; return result;
} }
void EscapeHtml(string &str)
{
for (int i = str.find("<"); i != string::npos; i = str.find("<"))
{
int j = str.find(">")+1;
str.replace(i, j-i, "");
}
for (int i = str.find("&#039;"); i != string::npos; i = str.find("&#039;"))
str.replace(i, 6, "'");
for (int i = str.find("&quot;"); i != string::npos; i = str.find("&quot;"))
str.replace(i, 6, "\"");
for (int i = str.find("&amp;"); i != string::npos; i = str.find("&amp;"))
str.replace(i, 6, "&");
}
string GetLyrics(string artist, string song) string GetLyrics(string artist, string song)
{ {
const string filename = artist + " - " + song + ".txt"; const string filename = artist + " - " + song + ".txt";
@@ -87,30 +102,12 @@ string GetLyrics(string artist, string song)
if (result == "Not found") if (result == "Not found")
return result; return result;
for (int i = result.find("&#039;"); i != string::npos; i = result.find("&#039;"))
result.replace(i, 6, "'");
for (int i = result.find("&quot;"); i != string::npos; i = result.find("&quot;"))
result.replace(i, 6, "\"");
for (int i = result.find("&lt;"); i != string::npos; i = result.find("&lt;")) for (int i = result.find("&lt;"); i != string::npos; i = result.find("&lt;"))
result.replace(i, 4, "<"); result.replace(i, 4, "<");
for (int i = result.find("&gt;"); i != string::npos; i = result.find("&gt;")) for (int i = result.find("&gt;"); i != string::npos; i = result.find("&gt;"))
result.replace(i, 4, ">"); result.replace(i, 4, ">");
for (int i = result.find("<lyric>"); i != string::npos; i = result.find("<lyric>"))
result.replace(i, 7, ""); EscapeHtml(result);
for (int i = result.find("</lyric>"); i != string::npos; i = result.find("</lyric>"))
result.replace(i, 8, "");
for (int i = result.find("<lyrics>"); i != string::npos; i = result.find("<lyrics>"))
result.replace(i, 8, "");
for (int i = result.find("</lyrics>"); i != string::npos; i = result.find("</lyrics>"))
result.replace(i, 9, "");
for (int i = result.find("<b>"); i != string::npos; i = result.find("<b>"))
result.replace(i, 3, "");
for (int i = result.find("</b>"); i != string::npos; i = result.find("</b>"))
result.replace(i, 4, "");
for (int i = result.find("<i>"); i != string::npos; i = result.find("<i>"))
result.replace(i, 3, "");
for (int i = result.find("</i>"); i != string::npos; i = result.find("</i>"))
result.replace(i, 4, "");
std::ofstream output(fullpath.c_str()); std::ofstream output(fullpath.c_str());

1
src/lyrics.h
View File

@@ -28,6 +28,7 @@
# include "curl/curl.h" # include "curl/curl.h"
#endif #endif
void EscapeHtml(string &);
string GetLyrics(string, string); string GetLyrics(string, string);
#endif #endif