bool mime_builder::add_boundary(acl::ofstream& fp, bool end /* = false */)
{
if (fp.format("--%s", delimeter_.c_str()) == -1)
{
logger_error("write boundary error(%s) to %s",
acl::last_serror(), fp.file_path());
return false;
}
else if (end)
{
if (fp.format("--\r\n\r\n") == -1)
{
logger_error("write boundary endline error(%s) to %s",
acl::last_serror(), fp.file_path());
return false;
}
else
return true;
}
else if (fp.format("\r\n") == -1)
{
logger_error("write boundary end error(%s) to %s",
acl::last_serror(), fp.file_path());
return false;
}
else
return true;
}
bool mime_builder::add_body(acl::ofstream& fp)
{
acl::string buf;
const char* ptr;
size_t len;
if (body_html_)
ptr = body_html_;
else
ptr = body_text_;
if (ptr == NULL)
{
logger_error("no body!");
return false;
}
int ret = fp.format("Content-Type: text/%s; charset=\"utf-8\"\r\n"
"Content-Transfer-Encoding: base64\r\n\r\n",
body_html_ ? "html" : "plain");
if (ret == -1)
{
logger_error("write body header to %s error %s",
fp.file_path(), acl::last_serror());
return false;
}
len = strlen(ptr);
acl::mime_base64::encode(ptr, (int) len, &buf);
if (fp.write(buf) == -1)
{
logger_error("write body to %s error %s",
fp.file_path(), acl::last_serror());
return false;
}
else if (fp.format("\r\n") == -1)
{
logger_error("write body endline to %s error %s",
fp.file_path(), acl::last_serror());
return false;
}
else
return true;
}
bool mime_builder::save_as(acl::ofstream& fp)
{
acl::string buf;
if (attachs_.empty())
{
//header_.set_type(MIME_CTYPE_TEXT, body_html_ ?
// MIME_STYPE_HTML : MIME_STYPE_PLAIN);
header_.set_type("text", body_html_ ? "html" : "plain");
header_.add_header("Content-Transfer-Encoding", "base64");
}
else
{
//header_.set_type(MIME_CTYPE_MULTIPART,
// MIME_STYPE_MIXED);
header_.set_type("multipart", "mixed");
delimeter_.format("------=_Part_%d_%ld.%ld", getpid(),
acl_pthread_self(), time(NULL));
header_.set_boundary(delimeter_.c_str());
}
header_.build_head(buf, false);
if (fp.write(buf) == -1)
{
logger_error("write head to file %s error %s",
fp.file_path(), acl::last_serror());
return false;
}
if (!delimeter_.empty())
{
if (add_boundary(fp) == false)
return false;
}
if (add_body(fp) == false)
return false;
if (delimeter_.empty())
return true;
std::vector<char*>::const_iterator cit = attachs_.begin();
for (; cit != attachs_.end(); ++cit)
{
if (add_boundary(fp) == false)
return false;
if (add_attach(fp, *cit) == false)
return false;
}
// 添加最后一个分隔符
return add_boundary(fp, true);
}
bool mime_builder::add_attach(acl::ofstream& fp, const char* filepath)
{
//////////////////////////////////////////////////////////////////////////
// 创建头部分信息并写入邮件中
acl::string filebuf;
global::get_filename(filepath, filebuf);
acl::string filename;
acl::rfc2047::encode(filebuf.c_str(), (int) filebuf.length(),
&filename, "utf-8", 'B', false);
acl::string header;
header.format("Content-Type: application/octet-stream;\r\n"
"\tname=\"%s\r\n"
"Content-Disposition: attachment;\r\n"
"\tfilename=\"%s\"\r\n"
"Content-Transfer-Encoding: base64\r\n\r\n",
filename.c_str(), filename.c_str());
if (fp.write(header) == -1)
{
logger_error("write header to file %s error %s",
fp.file_path(), acl::last_serror());
return false;
}
//////////////////////////////////////////////////////////////////////////
// 读取附件数据并写入邮件中
acl::ifstream in;
if (in.open_read(filepath) == false)
{
logger_error("open file %s error %s",
filepath, acl::last_serror());
return false;
}
acl::mime_base64 coder;
char inbuf[8192];
acl::string outbuf;
int ret;
while (!in.eof())
{
ret = in.read(inbuf, sizeof(inbuf) - 1, false);
if (ret == -1)
break;
coder.encode_update(inbuf, ret, &outbuf);
if (!outbuf.empty() && fp.write(outbuf) == -1)
{
logger_error("write to %s error %s", fp.file_path(),
acl::last_serror());
return false;
}
outbuf.clear();
}
coder.encode_finish(&outbuf);
if (outbuf.empty() == false && fp.write(outbuf) == -1)
{
logger_error("write to %s error %s", fp.file_path(),
acl::last_serror());
return false;
}
if (fp.format("\r\n") == -1)
{
logger_error("write endline to %s error %s", fp.file_path(),
acl::last_serror());
return false;
}
else
return true;
}