kolibrios-gitea/programs/cmm/liza/parselist.c
Kirill Lipatov (Leency) 516aae8c1e liza 0.8: remember read mail headers
git-svn-id: svn://kolibrios.org@3413 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-26 00:45:57 +00:00

163 lines
4.7 KiB
C

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