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3368 leency 1 
//Leency & SoUrcerer, LGPL
2 
 
3 
void ParceMail()
4 
{
5 
	dword line_off, new_buf;
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	char tline[256];
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	if ( mailpointer-mailbuffer>9 ) if ( (strncmp(mailpointer-5,"\r\n.\r\n",5)==0) || (strncmp(mailpointer-3,"\n.\n",3)==0) )
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	{
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		if (strstr(mailbuffer, "+OK")!=mailbuffer)
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		{
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			aim = GET_ANSWER_RETR;
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			mailpointer = mailbuffer;
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			debug("GET_ANSWER_RETR != +OK, retry GET_ANSWER_RETR");
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			return;
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		}
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		aim=NULL;
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		DSBYTE[mailpointer+1] = '\0';
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		debug("Real letter size:");
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		debugi(mailpointer - mailbuffer);
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		if (strstri(mailbuffer, "quoted-printable")!=0)
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		{
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			debug ("getting qp");
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			new_buf = malloc(mailpointer-mailbuffer);
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			qp_decode stdcall (mailbuffer, new_buf, mailpointer-mailbuffer);
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			if (EAX==-1) debug("Too small buffer to convert QUOTED-PRINTABLE");
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			else
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			{
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				mailbuffer = free(mailbuffer);
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				mailbuffer = new_buf;
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				mailpointer = strlen(mailbuffer) + mailbuffer;
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			}
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		}
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		debug ("getting list info");
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		GetHeader(#from, "\nFrom:");
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		GetHeader(#to,   "\nTo:");
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		GetHeader(#date, "\nDate:");
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		GetHeader(#subj, "\nSubject:");
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		mdata = strstr(mailbuffer, "\n\r") + 3;
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		debug ("converting to dos");
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		ConvertToDOS(mdata, mailbuffer);
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		FromHTMLtoTXT();
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		letter_view.first = letter_view.count = 0;
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		line_off = mdata;
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		while (line_off>1)
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		{
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			line_off = GetNextLine(line_off);
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			letter_view.count++;
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		}
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		debug ("DrawMailBox()");
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		DrawMailBox();
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	}
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}
57 
 
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void ConvertToDOS(dword inbuf, searchin)
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{
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	dword dos_buf=0;
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	if (use_iconv==1)
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	{
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		cur_charset = CH_CP866;
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		if (strstri(searchin, "windows-1251")!=0) || (strstri(searchin, "windows1251")!=0)
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			{ dos_buf = ChangeCharset("CP1251", "CP866", inbuf);    cur_charset = CH_CP1251;}
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		else if (strstri(searchin, "koi8-")!=0)
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			{ dos_buf = ChangeCharset("KOI8-RU", "CP866", inbuf);   cur_charset = CH_KOI8;}
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		else if (strstri(searchin, "utf-8")!=0) || (strstri(searchin, "utf8")!=0)
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			{ dos_buf = ChangeCharset("UTF-8", "CP866", inbuf);     cur_charset = CH_UTF8;}
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		else if (strstri(searchin, "iso8859-5")!=0) || (strstri(searchin, "iso-8859-5")!=0)
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			{ dos_buf = ChangeCharset("ISO8859-5", "CP866", inbuf); cur_charset = CH_ISO8859_5;}
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		else if (strstri(searchin, "windows-1252")!=0) || (strstri(searchin, "windows1252")!=0)
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			{ dos_buf = ChangeCharset("CP1252", "CP866", inbuf);    cur_charset = CH_CP1252;}
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	}
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	else
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	{
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		if (strstri(searchin, "windows-1251")!=0) wintodos( inbuf); else
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		if (strstri(searchin, "koi8-")!=0)        koitodos( inbuf); else
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		if (strstri(searchin, "utf-8")!=0)        utf8rutodos( inbuf);
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	}
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}
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83 
 
84 
void FromHTMLtoTXT()
85 
{
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	dword cur_chr, txt_buf_srt, txt_buf_end, is_tag=0;
87 
	int i;
88 
	if (strstri(mdata, "")==0) && (strstri(mailbuffer, "text/html")==0) {debug("no html tags found"); return;}
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	debug ("converting: html -> txt");
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	cur_chr = mdata;
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	txt_buf_srt = malloc(mailpointer - mailbuffer);
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	txt_buf_end = txt_buf_srt;
93 
 
94 
	while (cur_chr < mailpointer)
95 
	{
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		if (DSBYTE[cur_chr]=='<') is_tag = 1;
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		if (!is_tag)
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		{
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		 	DSBYTE[txt_buf_end] = DSBYTE[cur_chr];
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		 	txt_buf_end++;
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		 	_END:
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		}
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		if (DSBYTE[cur_chr]=='>') is_tag = NULL;
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		cur_chr++;
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	}
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	DSBYTE[txt_buf_end] = '\0';
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	strcpy(mdata, txt_buf_srt);
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	mailpointer = strlen(mailbuffer) + mailbuffer; //тупо везде это ставить
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	free(txt_buf_srt);
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}
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113 
dword GetNextLine(dword start_offset)
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{
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	dword off_n = strstr(start_offset, "\n") + 1,  //разрыв строки
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	      off_w = letter_view.w / 6 - 2 + start_offset, //max длинна скроки
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	      off_m;
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	off_m = off_w;
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	if (off_n < off_w) return off_n;
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	while (off_m > start_offset) //перенос по словам
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	{
122 
		if (DSBYTE[off_m]==' ') || (DSBYTE[off_m]=='\9') || (DSBYTE[off_m]=='-') return off_m;
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		off_m--;
124 
	}
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	return off_w;
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}
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128 
dword CopyBetweenOffsets(dword start, end) //do not forget to free(line) after use
129 
{
130 
	dword line, new_line;
131 
	if (end <= start) return 0;
132 
	line = new_line = malloc(end - start + 3);
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	while (end > start)
134 
	{
135 
		DSBYTE[new_line] = DSBYTE[start];
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		start++;
137 
		new_line++;
138 
	}
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	DSBYTE[new_line] = '\0';
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	return line;
141 
}
142 
 
143 
void GetHeader(dword workstr, searchstr)
144 
{
145 
	char tmpbuf[512];
146 
	dword Qoff;
147 
 
148 
	strcpyb(mailbuffer, workstr, searchstr, "\n");
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	if (strstri(workstr, "?Q?"))
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	{
151 
		qp_decode stdcall (workstr, #tmpbuf, strlen(workstr));
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		ConvertToDOS(#tmpbuf, workstr);
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		strcpy(workstr, #tmpbuf);
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		Qoff = strstri(workstr, "?Q?");
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		strcpy(workstr, Qoff);
156 
	}
157 
	if (strstr(workstr, "?B?"))
158 
	{
159 
		base64_decode stdcall (strstri(workstr, "?B?"), #tmpbuf, strlen(workstr));
160 
		ConvertToDOS(#tmpbuf, workstr);
161 
		strcpy(workstr, #tmpbuf);
162 
	}
163 
	if (strlen(workstr)+10*6-Form.cwidth>0) { workstr=Form.cwidth/6+workstr-12; DSBYTE[workstr]='\0';}
164 
}