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#include "mimehooks.h"
#include "app.h"
#include <the_Foundation/file.h>
#include <the_Foundation/fileinfo.h>
#include <the_Foundation/path.h>
#include <the_Foundation/process.h>
#include <the_Foundation/stringlist.h>
iDefineTypeConstruction(FilterHook)
void init_FilterHook(iFilterHook *d) {
init_String(&d->label);
init_String(&d->mimePattern);
init_String(&d->command);
d->mimeRegex = NULL;
}
void deinit_FilterHook(iFilterHook *d) {
iRelease(d->mimeRegex);
deinit_String(&d->command);
deinit_String(&d->mimePattern);
deinit_String(&d->label);
}
void setMimePattern_FilterHook(iFilterHook *d, const iString *pattern) {
iReleasePtr(&d->mimeRegex);
set_String(&d->mimePattern, pattern);
d->mimeRegex = new_RegExp(cstr_String(pattern), caseInsensitive_RegExpOption);
}
void setCommand_FilterHook(iFilterHook *d, const iString *command) {
set_String(&d->command, command);
}
iBlock *run_FilterHook_(const iFilterHook *d, const iString *mime, const iBlock *body,
const iString *requestUrl) {
iProcess * proc = new_Process();
iStringList *args = new_StringList();
iRangecc seg = iNullRange;
while (nextSplit_Rangecc(range_String(&d->command), ";", &seg)) {
pushBackRange_StringList(args, seg);
}
seg = iNullRange;
while (nextSplit_Rangecc(range_String(mime), ";", &seg)) {
pushBackRange_StringList(args, seg);
}
setArguments_Process(proc, args);
iRelease(args);
if (!isEmpty_String(requestUrl)) {
setEnvironment_Process(
proc,
iClob(newStrings_StringList(
collectNewFormat_String("REQUEST_URL=%s", cstr_String(requestUrl)), NULL)));
}
iBlock *output = NULL;
if (start_Process(proc)) {
writeInput_Process(proc, body);
output = readOutputUntilClosed_Process(proc);
if (!startsWith_Rangecc(range_Block(output), "20")) {
/* Didn't produce valid output. */
delete_Block(output);
output = NULL;
}
}
iRelease(proc);
return output;
}
/*----------------------------------------------------------------------------------------------*/
struct Impl_MimeHooks {
iPtrArray filters;
};
iDefineTypeConstruction(MimeHooks)
void init_MimeHooks(iMimeHooks *d) {
init_PtrArray(&d->filters);
}
void deinit_MimeHooks(iMimeHooks *d) {
iForEach(PtrArray, i, &d->filters) {
delete_FilterHook(i.ptr);
}
deinit_PtrArray(&d->filters);
}
iBool willTryFilter_MimeHooks(const iMimeHooks *d, const iString *mime) {
/* TODO: Combine this function with tryFilter_MimeHooks? */
iRegExpMatch m;
iConstForEach(PtrArray, i, &d->filters) {
const iFilterHook *xc = i.ptr;
init_RegExpMatch(&m);
if (matchString_RegExp(xc->mimeRegex, mime, &m)) {
return iTrue;
}
}
return iFalse;
}
iBlock *tryFilter_MimeHooks(const iMimeHooks *d, const iString *mime, const iBlock *body,
const iString *requestUrl) {
iRegExpMatch m;
iConstForEach(PtrArray, i, &d->filters) {
const iFilterHook *xc = i.ptr;
init_RegExpMatch(&m);
if (matchString_RegExp(xc->mimeRegex, mime, &m)) {
iBlock *result = run_FilterHook_(xc, mime, body, requestUrl);
if (result) {
return result;
}
}
}
return NULL;
}
static const char *mimeHooksFilename_MimeHooks_ = "mimehooks.txt";
void load_MimeHooks(iMimeHooks *d, const char *saveDir) {
iBool reportError = iFalse;
iFile *f = newCStr_File(concatPath_CStr(saveDir, mimeHooksFilename_MimeHooks_));
if (open_File(f, read_FileMode | text_FileMode)) {
iBlock * src = readAll_File(f);
iRangecc srcLine = iNullRange;
int pos = 0;
iRangecc lines[3];
iZap(lines);
while (nextSplit_Rangecc(range_Block(src), "\n", &srcLine)) {
iRangecc line = srcLine;
trim_Rangecc(&line);
if (isEmpty_Range(&line)) {
continue;
}
lines[pos++] = line;
if (pos == 3) {
iFilterHook *hook = new_FilterHook();
setRange_String(&hook->label, lines[0]);
setMimePattern_FilterHook(hook, collect_String(newRange_String(lines[1])));
setCommand_FilterHook(hook, collect_String(newRange_String(lines[2])));
/* Check if commmand is valid. */ {
iRangecc seg = iNullRange;
while (nextSplit_Rangecc(range_String(&hook->command), ";", &seg)) {
if (!fileExistsCStr_FileInfo(cstr_Rangecc(seg))) {
reportError = iTrue;
}
break;
}
}
pushBack_PtrArray(&d->filters, hook);
pos = 0;
}
}
delete_Block(src);
}
iRelease(f);
if (reportError) {
postCommand_App("~config.error where:mimehooks.txt");
}
}
void save_MimeHooks(const iMimeHooks *d) {
iUnused(d);
}
const iString *debugInfo_MimeHooks(const iMimeHooks *d) {
iString *str = collectNew_String();
size_t index = 0;
iConstForEach(PtrArray, i, &d->filters) {
const iFilterHook *filter = i.ptr;
appendFormat_String(str, "### %d: %s\n", index, cstr_String(&filter->label));
appendFormat_String(str, "MIME regex:\n```\n%s\n```\n", cstr_String(&filter->mimePattern));
iStringList *args = iClob(split_String(&filter->command, ";"));
if (isEmpty_StringList(args)) {
appendFormat_String(str, "\u26a0 Command not specified!\n");
continue;
}
const iString *exec = constAt_StringList(args, 0);
if (isEmpty_String(exec)) {
appendFormat_String(str, "\u26a0 Command not specified!\n");
}
else {
appendFormat_String(str, "Executable: %s\n```\n%s\n```\n",
fileExists_FileInfo(exec) ? "" : "\u26a0 FILE NOT FOUND",
cstr_String(exec));
}
index++;
}
return str;
}
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